<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2023 Workiva-->
<!--r:5757c671-8c9d-4700-b408-272caafee409,g:41fca0e4-2335-433f-93ba-ef6975de63dd-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_cls_OtherCurrentLiabilitiesRecognisedAsOfAcquisitionDate_ecdadef6-5145-46a8-a733-84b9f34e8d48_negatedTerseLabel_en-US" xlink:label="lab_cls_OtherCurrentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other current liabilities</link:label>
    <link:label id="lab_cls_OtherCurrentLiabilitiesRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_cls_OtherCurrentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Current Liabilities Recognised As Of Acquisition Date</link:label>
    <link:label id="lab_cls_OtherCurrentLiabilitiesRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_cls_OtherCurrentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Current Liabilities Recognised As Of Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OtherCurrentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:href="cls-20221231.xsd#cls_OtherCurrentLiabilitiesRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OtherCurrentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:to="lab_cls_OtherCurrentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_61abea8b-d334-4371-87b2-25c6610ea347_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of classes of share capital [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of classes of share capital [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AccumulatedOtherComprehensiveIncomeRollforwardRollForward_2ec5a9e2-58fb-4e4e-9fff-4c374965bbcf_terseLabel_en-US" xlink:label="lab_cls_AccumulatedOtherComprehensiveIncomeRollforwardRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Other Comprehensive Income Rollforward [Roll Forward]</link:label>
    <link:label id="lab_cls_AccumulatedOtherComprehensiveIncomeRollforwardRollForward_label_en-US" xlink:label="lab_cls_AccumulatedOtherComprehensiveIncomeRollforwardRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Other Comprehensive Income Rollforward [Roll Forward]</link:label>
    <link:label id="lab_cls_AccumulatedOtherComprehensiveIncomeRollforwardRollForward_documentation_en-US" xlink:label="lab_cls_AccumulatedOtherComprehensiveIncomeRollforwardRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Other Comprehensive Income Rollforward [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AccumulatedOtherComprehensiveIncomeRollforwardRollForward" xlink:href="cls-20221231.xsd#cls_AccumulatedOtherComprehensiveIncomeRollforwardRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AccumulatedOtherComprehensiveIncomeRollforwardRollForward" xlink:to="lab_cls_AccumulatedOtherComprehensiveIncomeRollforwardRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncomeTaxExpense_847af3ad-952c-4fe6-8d44-be4bce790c3f_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income tax expense</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncomeTaxExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments for income tax expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForIncomeTaxExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:to="lab_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory_cd9d334b-1df6-418c-a47e-ba560bce3f56_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Other Comprehensive Loss, Net of Tax</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of analysis of other comprehensive income by item [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LettersOfCreditMaximumSubLimitAmount_95d26f6e-c746-4482-a6c6-318d7cdadab6_terseLabel_en-US" xlink:label="lab_cls_LettersOfCreditMaximumSubLimitAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Letters of credit sub-limit</link:label>
    <link:label id="lab_cls_LettersOfCreditMaximumSubLimitAmount_label_en-US" xlink:label="lab_cls_LettersOfCreditMaximumSubLimitAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Letters Of Credit, Maximum Sub-Limit, Amount</link:label>
    <link:label id="lab_cls_LettersOfCreditMaximumSubLimitAmount_documentation_en-US" xlink:label="lab_cls_LettersOfCreditMaximumSubLimitAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Letters Of Credit, Maximum Sub-Limit, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LettersOfCreditMaximumSubLimitAmount" xlink:href="cls-20221231.xsd#cls_LettersOfCreditMaximumSubLimitAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LettersOfCreditMaximumSubLimitAmount" xlink:to="lab_cls_LettersOfCreditMaximumSubLimitAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_GBP_e19ed581-1090-4a24-aede-5c530d54f604_terseLabel_en-US" xlink:label="lab_currency_GBP" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">British pound</link:label>
    <link:label id="lab_currency_GBP_label_en-US" xlink:label="lab_currency_GBP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">United Kingdom, Pounds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_GBP" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_GBP"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_GBP" xlink:to="lab_currency_GBP" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_GeneralInformationAboutFinancialStatementsAbstract_85320e75-a836-4398-85cd-6a04e0f42077_terseLabel_en-US" xlink:label="lab_cls_GeneralInformationAboutFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">General Information About Financial Statements [Abstract]</link:label>
    <link:label id="lab_cls_GeneralInformationAboutFinancialStatementsAbstract_label_en-US" xlink:label="lab_cls_GeneralInformationAboutFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">General Information About Financial Statements [Abstract]</link:label>
    <link:label id="lab_cls_GeneralInformationAboutFinancialStatementsAbstract_documentation_en-US" xlink:label="lab_cls_GeneralInformationAboutFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">General Information About Financial Statements [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_GeneralInformationAboutFinancialStatementsAbstract" xlink:href="cls-20221231.xsd#cls_GeneralInformationAboutFinancialStatementsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_GeneralInformationAboutFinancialStatementsAbstract" xlink:to="lab_cls_GeneralInformationAboutFinancialStatementsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CashAcquiredInConnectionWithAcquisitionAsOfAcquisitionDate_2d24e951-6448-4bac-aa03-08009ad10d93_terseLabel_en-US" xlink:label="lab_cls_CashAcquiredInConnectionWithAcquisitionAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash acquired</link:label>
    <link:label id="lab_cls_CashAcquiredInConnectionWithAcquisitionAsOfAcquisitionDate_label_en-US" xlink:label="lab_cls_CashAcquiredInConnectionWithAcquisitionAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash Acquired In Connection With Acquisition As Of Acquisition Date</link:label>
    <link:label id="lab_cls_CashAcquiredInConnectionWithAcquisitionAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_cls_CashAcquiredInConnectionWithAcquisitionAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash Acquired In Connection With Acquisition As Of Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CashAcquiredInConnectionWithAcquisitionAsOfAcquisitionDate" xlink:href="cls-20221231.xsd#cls_CashAcquiredInConnectionWithAcquisitionAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CashAcquiredInConnectionWithAcquisitionAsOfAcquisitionDate" xlink:to="lab_cls_CashAcquiredInConnectionWithAcquisitionAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PercentageOfEntitiesIntangibleAssetsAndGoodwill_fc45bd57-b0fd-44de-8993-364f755b0e75_terseLabel_en-US" xlink:label="lab_cls_PercentageOfEntitiesIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets and goodwill, among countries that exceeded 10% (as a percentage of total)</link:label>
    <link:label id="lab_cls_PercentageOfEntitiesIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_cls_PercentageOfEntitiesIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage Of Entities Intangible Assets And Goodwill</link:label>
    <link:label id="lab_cls_PercentageOfEntitiesIntangibleAssetsAndGoodwill_documentation_en-US" xlink:label="lab_cls_PercentageOfEntitiesIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage Of Entities Intangible Assets And Goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PercentageOfEntitiesIntangibleAssetsAndGoodwill" xlink:href="cls-20221231.xsd#cls_PercentageOfEntitiesIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PercentageOfEntitiesIntangibleAssetsAndGoodwill" xlink:to="lab_cls_PercentageOfEntitiesIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GoodwillMember_a1125209-64ee-4074-8f70-84d3ecbf1ad5_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodwillMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_ifrs-full_GoodwillMember_label_en-US" xlink:label="lab_ifrs-full_GoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodwillMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GoodwillMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodwillMember" xlink:to="lab_ifrs-full_GoodwillMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CreditFacility1Domain_faf3a801-e4fc-43e9-8df7-45f52750dabb_terseLabel_en-US" xlink:label="lab_cls_CreditFacility1Domain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:label id="lab_cls_CreditFacility1Domain_label_en-US" xlink:label="lab_cls_CreditFacility1Domain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility1 [Domain]</link:label>
    <link:label id="lab_cls_CreditFacility1Domain_documentation_en-US" xlink:label="lab_cls_CreditFacility1Domain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Domain] for Credit Facility1 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CreditFacility1Domain" xlink:href="cls-20221231.xsd#cls_CreditFacility1Domain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CreditFacility1Domain" xlink:to="lab_cls_CreditFacility1Domain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OperatingSegmentsMember_3d140156-67b8-4d15-a835-c4ea73f2ac19_terseLabel_en-US" xlink:label="lab_ifrs-full_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating segments</link:label>
    <link:label id="lab_ifrs-full_OperatingSegmentsMember_label_en-US" xlink:label="lab_ifrs-full_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating segments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingSegmentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OperatingSegmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingSegmentsMember" xlink:to="lab_ifrs-full_OperatingSegmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TreasuryShares_6a82dde7-0b57-4399-b5fd-04721e286c1b_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_TreasuryShares" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury stock</link:label>
    <link:label id="lab_ifrs-full_TreasuryShares_label_en-US" xlink:label="lab_ifrs-full_TreasuryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TreasuryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TreasuryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TreasuryShares" xlink:to="lab_ifrs-full_TreasuryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_73f30570-832f-44a6-a685-c9b4830b30c5_terseLabel_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_label_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ResearchAndDevelopmentExpense_46d12cce-fd4c-44cd-a8bc-bba31826ebdd_terseLabel_en-US" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Research and&#160;development</link:label>
    <link:label id="lab_ifrs-full_ResearchAndDevelopmentExpense_label_en-US" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Research and development expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ResearchAndDevelopmentExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ResearchAndDevelopmentExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ResearchAndDevelopmentExpense" xlink:to="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_InventoryWriteDownPercentageRelatedToSpecifiedAgedInventory_4eed2a6b-9dea-4481-a78f-3d3be548393c_terseLabel_en-US" xlink:label="lab_cls_InventoryWriteDownPercentageRelatedToSpecifiedAgedInventory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory write down, percentage related to specified aged inventory (percent)</link:label>
    <link:label id="lab_cls_InventoryWriteDownPercentageRelatedToSpecifiedAgedInventory_label_en-US" xlink:label="lab_cls_InventoryWriteDownPercentageRelatedToSpecifiedAgedInventory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory Write Down, Percentage Related To Specified Aged Inventory</link:label>
    <link:label id="lab_cls_InventoryWriteDownPercentageRelatedToSpecifiedAgedInventory_documentation_en-US" xlink:label="lab_cls_InventoryWriteDownPercentageRelatedToSpecifiedAgedInventory" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory Write Down, Percentage Related To Specified Aged Inventory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_InventoryWriteDownPercentageRelatedToSpecifiedAgedInventory" xlink:href="cls-20221231.xsd#cls_InventoryWriteDownPercentageRelatedToSpecifiedAgedInventory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_InventoryWriteDownPercentageRelatedToSpecifiedAgedInventory" xlink:to="lab_cls_InventoryWriteDownPercentageRelatedToSpecifiedAgedInventory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory_cc77e075-1856-4aac-afe6-9136c1762a11_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Geographical Areas</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of geographical areas [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfGeographicalAreasExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent_0916f7bd-4b04-44b1-8a57-d86c254c9a01_terseLabel_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reasonably possible change in risk variable, percentage</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent_label_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Percent</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent_documentation_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:href="cls-20221231.xsd#cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:to="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EntitysTotalForBusinessCombinationsMember_1e627de5-9d1d-4008-a58b-685861af9977_terseLabel_en-US" xlink:label="lab_ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity's total for business combinations</link:label>
    <link:label id="lab_ifrs-full_EntitysTotalForBusinessCombinationsMember_label_en-US" xlink:label="lab_ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity's total for business combinations [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForBusinessCombinationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="lab_ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory_607a71b7-8cb9-476c-b810-a65b73801016_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Assumptions For Annual Impairment Assessments of Goodwill</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of information for cash-generating units [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfDetailedInformationAboutAccumulatedOtherComprehensiveIncomeExplanatoryTableTextBlock_835feb5d-4fac-4eec-a686-57a653fc50fe_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfDetailedInformationAboutAccumulatedOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Detailed Information about Accumulated Other Comprehensive Income</link:label>
    <link:label id="lab_cls_DisclosureOfDetailedInformationAboutAccumulatedOtherComprehensiveIncomeExplanatoryTableTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfDetailedInformationAboutAccumulatedOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Detailed Information About Accumulated Other Comprehensive Income Explanatory [Table Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfDetailedInformationAboutAccumulatedOtherComprehensiveIncomeExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfDetailedInformationAboutAccumulatedOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Detailed Information About Accumulated Other Comprehensive Income Explanatory [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfDetailedInformationAboutAccumulatedOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfDetailedInformationAboutAccumulatedOtherComprehensiveIncomeExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfDetailedInformationAboutAccumulatedOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:to="lab_cls_DisclosureOfDetailedInformationAboutAccumulatedOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_d9958089-b703-4f6d-bfbf-978cda41d2fc_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Investing activities:</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash flows from (used in) investing activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_QuarterlyRepaymentsOfBorrowingsClassifiedAsFinancingActivities_377c0156-76f0-422f-b684-726481b220c8_terseLabel_en-US" xlink:label="lab_cls_QuarterlyRepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Quarterly repayment of borrowings</link:label>
    <link:label id="lab_cls_QuarterlyRepaymentsOfBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_cls_QuarterlyRepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Quarterly Repayments Of Borrowings, Classified As Financing Activities</link:label>
    <link:label id="lab_cls_QuarterlyRepaymentsOfBorrowingsClassifiedAsFinancingActivities_documentation_en-US" xlink:label="lab_cls_QuarterlyRepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Quarterly Repayments Of Borrowings, Classified As Financing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_QuarterlyRepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:href="cls-20221231.xsd#cls_QuarterlyRepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_QuarterlyRepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_cls_QuarterlyRepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NonCurrentLandRights_d3b04477-22f5-4685-9e5a-af12d75d4de5_terseLabel_en-US" xlink:label="lab_cls_NonCurrentLandRights" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Land rights</link:label>
    <link:label id="lab_cls_NonCurrentLandRights_label_en-US" xlink:label="lab_cls_NonCurrentLandRights" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-Current Land Rights</link:label>
    <link:label id="lab_cls_NonCurrentLandRights_documentation_en-US" xlink:label="lab_cls_NonCurrentLandRights" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-Current Land Rights</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NonCurrentLandRights" xlink:href="cls-20221231.xsd#cls_NonCurrentLandRights"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NonCurrentLandRights" xlink:to="lab_cls_NonCurrentLandRights" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PurchaseOrdersIssuedForAcquisitionOfPropertyPlantAndEquipment_5d13f32b-9dfe-4e54-b2a0-66eb5ef89828_terseLabel_en-US" xlink:label="lab_cls_PurchaseOrdersIssuedForAcquisitionOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase orders issued for capital expenditures</link:label>
    <link:label id="lab_cls_PurchaseOrdersIssuedForAcquisitionOfPropertyPlantAndEquipment_label_en-US" xlink:label="lab_cls_PurchaseOrdersIssuedForAcquisitionOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase Orders Issued For Acquisition Of Property, Plant And Equipment</link:label>
    <link:label id="lab_cls_PurchaseOrdersIssuedForAcquisitionOfPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_cls_PurchaseOrdersIssuedForAcquisitionOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase Orders Issued For Acquisition Of Property, Plant And Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PurchaseOrdersIssuedForAcquisitionOfPropertyPlantAndEquipment" xlink:href="cls-20221231.xsd#cls_PurchaseOrdersIssuedForAcquisitionOfPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PurchaseOrdersIssuedForAcquisitionOfPropertyPlantAndEquipment" xlink:to="lab_cls_PurchaseOrdersIssuedForAcquisitionOfPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CustomerrelatedIntangibleAssetsRecognisedAsOfAcquisitionDate_4faca15e-6cc0-42f5-b9f6-f6b93e06687f_terseLabel_en-US" xlink:label="lab_ifrs-full_CustomerrelatedIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer intangible assets</link:label>
    <link:label id="lab_ifrs-full_CustomerrelatedIntangibleAssetsRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_CustomerrelatedIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer-related intangible assets recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CustomerrelatedIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CustomerrelatedIntangibleAssetsRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CustomerrelatedIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_CustomerrelatedIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_InventoryContractPurchaseMember_ca77497e-9fd4-44fb-8ea4-98ee0aae36ec_terseLabel_en-US" xlink:label="lab_cls_InventoryContractPurchaseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory Contract Purchase</link:label>
    <link:label id="lab_cls_InventoryContractPurchaseMember_label_en-US" xlink:label="lab_cls_InventoryContractPurchaseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory Contract Purchase [Member]</link:label>
    <link:label id="lab_cls_InventoryContractPurchaseMember_documentation_en-US" xlink:label="lab_cls_InventoryContractPurchaseMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory Contract Purchase</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_InventoryContractPurchaseMember" xlink:href="cls-20221231.xsd#cls_InventoryContractPurchaseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_InventoryContractPurchaseMember" xlink:to="lab_cls_InventoryContractPurchaseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_1698ad88-014d-4436-8f05-1fe51dfbfd47_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred income taxes</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_0e67837e-6aff-4593-bc42-423867c9700c_periodStartLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax assets, beginning balance</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_33159b24-d6e8-49f1-8314-6180aab5650b_periodEndLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax assets, ending balance</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_49fafd13-ee28-404b-84a6-188489d10c84_verboseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax assets</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxAssets" xlink:to="lab_ifrs-full_DeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_32ef0f2c-8cff-4c63-9c38-d17341258b7c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Taxes</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of income tax [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfIncomeTaxExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredTaxRelatingToOtherDeferredTaxAssets_3bb9a773-2488-4ddc-86ac-0cc8c70c6042_terseLabel_en-US" xlink:label="lab_cls_DeferredTaxRelatingToOtherDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other</link:label>
    <link:label id="lab_cls_DeferredTaxRelatingToOtherDeferredTaxAssets_label_en-US" xlink:label="lab_cls_DeferredTaxRelatingToOtherDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Relating To Other, Deferred Tax Assets</link:label>
    <link:label id="lab_cls_DeferredTaxRelatingToOtherDeferredTaxAssets_documentation_en-US" xlink:label="lab_cls_DeferredTaxRelatingToOtherDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Relating To Other, Deferred Tax Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredTaxRelatingToOtherDeferredTaxAssets" xlink:href="cls-20221231.xsd#cls_DeferredTaxRelatingToOtherDeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredTaxRelatingToOtherDeferredTaxAssets" xlink:to="lab_cls_DeferredTaxRelatingToOtherDeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_ec6ec49a-afed-49f0-89fb-8c2abd25c1b2_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_66a66870-e817-4009-97ae-21931debff42_verboseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_40b3045b-6579-478b-8793-0f36aaef3870_periodStartLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment, beginning balance</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_d6321ce1-3ea6-409b-a880-54e59fc60131_periodEndLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment, ending balance</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="lab_ifrs-full_PropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset_42be3228-6319-4a59-bf79-9ea6a3924785_negatedTerseLabel_en-US" xlink:label="lab_cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Benefit payments from employer</link:label>
    <link:label id="lab_cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset_8faec5f4-4274-4209-b8c9-41e478a7844b_negatedLabel_en-US" xlink:label="lab_cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Benefit payments from employer</link:label>
    <link:label id="lab_cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments From Employer, Net Defined Benefit Liability (Asset)</link:label>
    <link:label id="lab_cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset_documentation_en-US" xlink:label="lab_cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments From Employer, Net Defined Benefit Liability (Asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:href="cls-20221231.xsd#cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:to="lab_cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeographicalAreasMember_436ed0e1-f749-4593-8648-b0e3619bc3c6_terseLabel_en-US" xlink:label="lab_ifrs-full_GeographicalAreasMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Geographical areas</link:label>
    <link:label id="lab_ifrs-full_GeographicalAreasMember_label_en-US" xlink:label="lab_ifrs-full_GeographicalAreasMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Geographical areas [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GeographicalAreasMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasMember" xlink:to="lab_ifrs-full_GeographicalAreasMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpense_d14460a4-4090-4afd-9060-5221f63aa555_terseLabel_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Selling, general and administrative expenses (SG&amp;A)</link:label>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpense_label_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Selling, general and administrative expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SellingGeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:to="lab_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_fa5e072e-f03e-4b4d-a28c-afecca8a5085_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other, including non-taxable/non-deductible items and changes to net provisions related to tax uncertainties</link:label>
    <link:label id="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other tax effects for reconciliation between accounting profit and tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:to="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NewCreditFacilityMember_a8075114-0daf-4f3f-9a1a-a70619aa8bce_terseLabel_en-US" xlink:label="lab_cls_NewCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">New credit facility</link:label>
    <link:label id="lab_cls_NewCreditFacilityMember_label_en-US" xlink:label="lab_cls_NewCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">New Credit Facility [Member]</link:label>
    <link:label id="lab_cls_NewCreditFacilityMember_documentation_en-US" xlink:label="lab_cls_NewCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">New Credit Facility [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NewCreditFacilityMember" xlink:href="cls-20221231.xsd#cls_NewCreditFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NewCreditFacilityMember" xlink:to="lab_cls_NewCreditFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_UnusualOrExtraordinaryEventAxis_67b7ae2d-c83a-47a7-b51f-428afdc8cb7c_terseLabel_en-US" xlink:label="lab_cls_UnusualOrExtraordinaryEventAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unusual or Extraordinary Event [Axis]</link:label>
    <link:label id="lab_cls_UnusualOrExtraordinaryEventAxis_label_en-US" xlink:label="lab_cls_UnusualOrExtraordinaryEventAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unusual or Extraordinary Event [Axis]</link:label>
    <link:label id="lab_cls_UnusualOrExtraordinaryEventAxis_documentation_en-US" xlink:label="lab_cls_UnusualOrExtraordinaryEventAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unusual or Extraordinary Event</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_UnusualOrExtraordinaryEventAxis" xlink:href="cls-20221231.xsd#cls_UnusualOrExtraordinaryEventAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_UnusualOrExtraordinaryEventAxis" xlink:to="lab_cls_UnusualOrExtraordinaryEventAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_1bd430d5-5c57-43f3-9a84-8206e1df8b3f_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercisable options (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of share options exercisable in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentInformationLineItems_91b124c6-b9d9-4e70-a1cd-3bf46ad682bc_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:label id="lab_dei_DocumentInformationLineItems_label_en-US" xlink:label="lab_dei_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentInformationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationLineItems" xlink:to="lab_dei_DocumentInformationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AccountsReceivableMember_b2ab5819-8122-4f39-8d47-2cc52649ebac_terseLabel_en-US" xlink:label="lab_cls_AccountsReceivableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable</link:label>
    <link:label id="lab_cls_AccountsReceivableMember_label_en-US" xlink:label="lab_cls_AccountsReceivableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable [Member]</link:label>
    <link:label id="lab_cls_AccountsReceivableMember_documentation_en-US" xlink:label="lab_cls_AccountsReceivableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AccountsReceivableMember" xlink:href="cls-20221231.xsd#cls_AccountsReceivableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AccountsReceivableMember" xlink:to="lab_cls_AccountsReceivableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfDiscountRates_fa3c7b00-5977-4fce-9109-1f0da4c5790f_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Benefit obligations</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfDiscountRates_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial assumption of discount rates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ActuarialAssumptionOfDiscountRates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:to="lab_ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromIssuingShares_d142a683-31d3-47c2-9a99-98aca9ef3eac_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Issuance of capital stock</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromIssuingShares_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from issuing shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromIssuingShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromIssuingShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromIssuingShares" xlink:to="lab_ifrs-full_ProceedsFromIssuingShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic_9e9d5276-9d94-4bad-a261-a2fb7fc1b7e5_terseLabel_en-US" xlink:label="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Risk exposure associated with instruments sharing characteristic</link:label>
    <link:label id="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic_label_en-US" xlink:label="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Risk exposure associated with instruments sharing characteristic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:to="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_795d8ccb-b692-45b5-9c34-38be3c439e0c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOtherProvisionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferDomain_debea266-6498-4bab-8062-fba7f7e464f7_terseLabel_en-US" xlink:label="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derecognition Of Financial Assets By Type Of Transfer [Domain]</link:label>
    <link:label id="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferDomain_label_en-US" xlink:label="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derecognition Of Financial Assets By Type Of Transfer [Domain]</link:label>
    <link:label id="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferDomain_documentation_en-US" xlink:label="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Domain] for Derecognition Of Financial Assets By Type Of Transfer [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DerecognitionOfFinancialAssetsByTypeOfTransferDomain" xlink:href="cls-20221231.xsd#cls_DerecognitionOfFinancialAssetsByTypeOfTransferDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DerecognitionOfFinancialAssetsByTypeOfTransferDomain" xlink:to="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_3c7665d6-56f5-4c68-a0df-09c266410ac9_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfShareCapitalAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:to="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CurrentTaxLiabilitiesMember_27c5e659-e581-4986-a6e2-5d11a12a5dbb_terseLabel_en-US" xlink:label="lab_cls_CurrentTaxLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income taxes and value-added taxes payable</link:label>
    <link:label id="lab_cls_CurrentTaxLiabilitiesMember_label_en-US" xlink:label="lab_cls_CurrentTaxLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Tax Liabilities [Member]</link:label>
    <link:label id="lab_cls_CurrentTaxLiabilitiesMember_documentation_en-US" xlink:label="lab_cls_CurrentTaxLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Tax Liabilities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CurrentTaxLiabilitiesMember" xlink:href="cls-20221231.xsd#cls_CurrentTaxLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CurrentTaxLiabilitiesMember" xlink:to="lab_cls_CurrentTaxLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfCurrentInventoryTableTextBlock_4b55c365-dff8-4b94-aec9-fe4ea6fae703_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfCurrentInventoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Current Inventory</link:label>
    <link:label id="lab_cls_DisclosureOfCurrentInventoryTableTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfCurrentInventoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Current Inventory [Table Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfCurrentInventoryTableTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfCurrentInventoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Current Inventory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfCurrentInventoryTableTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfCurrentInventoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfCurrentInventoryTableTextBlock" xlink:to="lab_cls_DisclosureOfCurrentInventoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_ba58c8c2-5ea3-4a9f-9de5-053e67841dd3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reporting Entity</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of general information about financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired_f4ff2a13-29ed-4dec-a662-274611a2b2af_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of voting equity interests acquired</link:label>
    <link:label id="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired_label_en-US" xlink:label="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of voting equity interests acquired</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:to="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans_7d13621e-054a-48a9-a109-ce655e0909fe_negatedPeriodStartLabel_en-US" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan assets, beginning of year</link:label>
    <link:label id="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans_f59f8f17-febc-41f5-a361-e0574cadbb30_negatedPeriodEndLabel_en-US" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan assets, end of year</link:label>
    <link:label id="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans_1d1f7c6d-2fc1-4cb1-8763-ee8a9398ee05_periodStartLabel_en-US" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrued benefit obligations, beginning of year</link:label>
    <link:label id="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans_c87927f2-7803-4869-846f-a37694411dfc_periodEndLabel_en-US" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrued benefit obligations, end of year</link:label>
    <link:label id="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans_label_en-US" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net defined benefit liability (asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LiabilityAssetOfDefinedBenefitPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:to="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems_b75a05bc-1fe6-4c0e-a51f-61fa66fb7220_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration_a32fd19b-9275-47b7-895a-82b1b1ae6bfc_terseLabel_en-US" xlink:label="lab_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Changes to preliminary purchase price allocation</link:label>
    <link:label id="lab_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration_label_en-US" xlink:label="lab_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Measurement period adjustments recognised for particular assets, liabilities, non-controlling interests or items of consideration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration" xlink:to="lab_ifrs-full_MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BaseRateMember_6e2e4146-7d09-4f23-aa48-d5109edd2035_terseLabel_en-US" xlink:label="lab_cls_BaseRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Base Rate</link:label>
    <link:label id="lab_cls_BaseRateMember_label_en-US" xlink:label="lab_cls_BaseRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Base Rate [Member]</link:label>
    <link:label id="lab_cls_BaseRateMember_documentation_en-US" xlink:label="lab_cls_BaseRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Base Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BaseRateMember" xlink:href="cls-20221231.xsd#cls_BaseRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BaseRateMember" xlink:to="lab_cls_BaseRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AveragePriceOfHedgingInstrument_55a26b9c-599c-44a2-8ab7-e5dcd3a54ab6_terseLabel_en-US" xlink:label="lab_ifrs-full_AveragePriceOfHedgingInstrument" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average exchange rate in U.S.&#160;dollars (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_AveragePriceOfHedgingInstrument_label_en-US" xlink:label="lab_ifrs-full_AveragePriceOfHedgingInstrument" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Average price of hedging instrument</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AveragePriceOfHedgingInstrument" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AveragePriceOfHedgingInstrument"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AveragePriceOfHedgingInstrument" xlink:to="lab_ifrs-full_AveragePriceOfHedgingInstrument" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentsMember_f0ed70b0-4a91-4fcf-aa60-40b0ebe4948d_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segments</link:label>
    <link:label id="lab_ifrs-full_SegmentsMember_label_en-US" xlink:label="lab_ifrs-full_SegmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsMember" xlink:to="lab_ifrs-full_SegmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections_914dace3-3566-481d-8943-cba1a6f445f0_verboseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Discount rate (percentage)</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Discount rate applied to cash flow projections</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:to="lab_ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants_0e1bd84f-6f7b-4905-897e-8ceea90a20e8_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Government subsidies</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for government grants [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssets_ef4a3ebb-fc1f-4ebf-b003-ecc9a8bb2381_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total current assets</link:label>
    <link:label id="lab_ifrs-full_CurrentAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssets" xlink:to="lab_ifrs-full_CurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativesMember_6ba8de31-90d7-4d67-8efb-edb3895f0d0e_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivatives</link:label>
    <link:label id="lab_ifrs-full_DerivativesMember_label_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivatives [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativesMember" xlink:to="lab_ifrs-full_DerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DefinedContributionPlanMember_df0f4857-32cb-4777-aad6-9c570172287d_terseLabel_en-US" xlink:label="lab_cls_DefinedContributionPlanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Contribution Plan</link:label>
    <link:label id="lab_cls_DefinedContributionPlanMember_label_en-US" xlink:label="lab_cls_DefinedContributionPlanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Contribution Plan [Member]</link:label>
    <link:label id="lab_cls_DefinedContributionPlanMember_documentation_en-US" xlink:label="lab_cls_DefinedContributionPlanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Contribution Plan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DefinedContributionPlanMember" xlink:href="cls-20221231.xsd#cls_DefinedContributionPlanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DefinedContributionPlanMember" xlink:to="lab_cls_DefinedContributionPlanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CelesticaShareUnitPlanCSUPMember_c265de7a-05b9-49b3-9b16-3f2c23b5a7e9_terseLabel_en-US" xlink:label="lab_cls_CelesticaShareUnitPlanCSUPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CSUP</link:label>
    <link:label id="lab_cls_CelesticaShareUnitPlanCSUPMember_label_en-US" xlink:label="lab_cls_CelesticaShareUnitPlanCSUPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Celestica Share Unit Plan (CSUP) [Member]</link:label>
    <link:label id="lab_cls_CelesticaShareUnitPlanCSUPMember_documentation_en-US" xlink:label="lab_cls_CelesticaShareUnitPlanCSUPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Celestica Share Unit Plan (CSUP)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CelesticaShareUnitPlanCSUPMember" xlink:href="cls-20221231.xsd#cls_CelesticaShareUnitPlanCSUPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CelesticaShareUnitPlanCSUPMember" xlink:to="lab_cls_CelesticaShareUnitPlanCSUPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressStateOrProvince_4bd1aec2-dd4c-4b29-8a1e-edc3eb9c85db_terseLabel_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:label id="lab_dei_EntityAddressStateOrProvince_label_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressStateOrProvince"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressStateOrProvince" xlink:to="lab_dei_EntityAddressStateOrProvince" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ForwardCurrencyAndForwardSwapContractsMember_63b0e140-406e-4144-878d-9b1fe6dab126_terseLabel_en-US" xlink:label="lab_cls_ForwardCurrencyAndForwardSwapContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Forward Currency and Forward Swap Contracts</link:label>
    <link:label id="lab_cls_ForwardCurrencyAndForwardSwapContractsMember_label_en-US" xlink:label="lab_cls_ForwardCurrencyAndForwardSwapContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Forward Currency and Forward Swap Contracts [Member]</link:label>
    <link:label id="lab_cls_ForwardCurrencyAndForwardSwapContractsMember_documentation_en-US" xlink:label="lab_cls_ForwardCurrencyAndForwardSwapContractsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Forward Currency and Forward Swap Contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ForwardCurrencyAndForwardSwapContractsMember" xlink:href="cls-20221231.xsd#cls_ForwardCurrencyAndForwardSwapContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ForwardCurrencyAndForwardSwapContractsMember" xlink:to="lab_cls_ForwardCurrencyAndForwardSwapContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized1_b300b4eb-3e63-4315-8007-729de0e83afd_terseLabel_en-US" xlink:label="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts receivable sold during period</link:label>
    <link:label id="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized1_label_en-US" xlink:label="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transfer Of Financial Assets Accounted For As Sales, Amount Derecognized1</link:label>
    <link:label id="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized1_documentation_en-US" xlink:label="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transfer Of Financial Assets Accounted For As Sales, Amount Derecognized1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized1" xlink:href="cls-20221231.xsd#cls_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized1" xlink:to="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeographicalAreasAxis_415c8478-4d07-41b3-bcd2-4c9349c516ae_terseLabel_en-US" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Geographical areas [axis]</link:label>
    <link:label id="lab_ifrs-full_GeographicalAreasAxis_label_en-US" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Geographical areas [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GeographicalAreasAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasAxis" xlink:to="lab_ifrs-full_GeographicalAreasAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RightOfUseAssetsWriteDownOfAssetsAndLeaseTerminations_f8a72ae6-f98b-4077-8406-81b4d59f04d7_negatedLabel_en-US" xlink:label="lab_cls_RightOfUseAssetsWriteDownOfAssetsAndLeaseTerminations" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Write-down of assets and lease terminations</link:label>
    <link:label id="lab_cls_RightOfUseAssetsWriteDownOfAssetsAndLeaseTerminations_label_en-US" xlink:label="lab_cls_RightOfUseAssetsWriteDownOfAssetsAndLeaseTerminations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right-Of-Use Assets, Write Down Of Assets And Lease Terminations</link:label>
    <link:label id="lab_cls_RightOfUseAssetsWriteDownOfAssetsAndLeaseTerminations_documentation_en-US" xlink:label="lab_cls_RightOfUseAssetsWriteDownOfAssetsAndLeaseTerminations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right-Of-Use Assets, Write Down Of Assets And Lease Terminations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RightOfUseAssetsWriteDownOfAssetsAndLeaseTerminations" xlink:href="cls-20221231.xsd#cls_RightOfUseAssetsWriteDownOfAssetsAndLeaseTerminations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RightOfUseAssetsWriteDownOfAssetsAndLeaseTerminations" xlink:to="lab_cls_RightOfUseAssetsWriteDownOfAssetsAndLeaseTerminations" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EffectOfAssetCeilingMember_8f434075-fe56-480e-b411-8fb253e711ac_terseLabel_en-US" xlink:label="lab_ifrs-full_EffectOfAssetCeilingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Effect of asset ceiling [member]</link:label>
    <link:label id="lab_ifrs-full_EffectOfAssetCeilingMember_label_en-US" xlink:label="lab_ifrs-full_EffectOfAssetCeilingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Effect of asset ceiling [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EffectOfAssetCeilingMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EffectOfAssetCeilingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EffectOfAssetCeilingMember" xlink:to="lab_ifrs-full_EffectOfAssetCeilingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_4ea846e2-08f4-4169-be28-12a802eb6203_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Detailed Information About Property, Plant and Equipment</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeReceivablesMember_30608517-e773-495f-861b-73c7dc516c6f_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">A/R</link:label>
    <link:label id="lab_ifrs-full_TradeReceivablesMember_label_en-US" xlink:label="lab_ifrs-full_TradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trade receivables [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeReceivablesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TradeReceivablesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeReceivablesMember" xlink:to="lab_ifrs-full_TradeReceivablesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember_fefeb97c-438f-4dbe-95d0-f5dbb780265e_terseLabel_en-US" xlink:label="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrealized foreign exchange gains</link:label>
    <link:label id="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember_label_en-US" xlink:label="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrealised foreign exchange gains (losses) [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_UnrealisedForeignExchangeGainsLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:to="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EmployerContributions_c37aa9b5-2f45-458a-a19a-2613690dd819_verboseLabel_en-US" xlink:label="lab_ifrs-full_EmployerContributions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan contributions</link:label>
    <link:label id="lab_ifrs-full_EmployerContributions_label_en-US" xlink:label="lab_ifrs-full_EmployerContributions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employer contributions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EmployerContributions" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EmployerContributions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EmployerContributions" xlink:to="lab_ifrs-full_EmployerContributions" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LeaseLiabilityUnderIFRS16_57390087-1157-4617-be22-b8c0d6c40167_verboseLabel_en-US" xlink:label="lab_cls_LeaseLiabilityUnderIFRS16" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lease obligations</link:label>
    <link:label id="lab_cls_LeaseLiabilityUnderIFRS16_label_en-US" xlink:label="lab_cls_LeaseLiabilityUnderIFRS16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lease Liability Under IFRS 16</link:label>
    <link:label id="lab_cls_LeaseLiabilityUnderIFRS16_documentation_en-US" xlink:label="lab_cls_LeaseLiabilityUnderIFRS16" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lease Liability Under IFRS 16</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LeaseLiabilityUnderIFRS16" xlink:href="cls-20221231.xsd#cls_LeaseLiabilityUnderIFRS16"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LeaseLiabilityUnderIFRS16" xlink:to="lab_cls_LeaseLiabilityUnderIFRS16" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_AllCurrenciesDomain_7d93583e-e605-4feb-86b1-e92307aba98c_terseLabel_en-US" xlink:label="lab_currency_AllCurrenciesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">All Currencies [Domain]</link:label>
    <link:label id="lab_currency_AllCurrenciesDomain_label_en-US" xlink:label="lab_currency_AllCurrenciesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">All Currencies [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_AllCurrenciesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_AllCurrenciesDomain" xlink:to="lab_currency_AllCurrenciesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_cbe7b856-21f4-4660-b2c8-9182d2287d84_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Foreign currency translation</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for foreign currency translation [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentReceivablesAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentReceivablesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trade and other non-current receivables [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentReceivablesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentReceivablesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentReceivablesAbstract" xlink:to="lab_ifrs-full_NoncurrentReceivablesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome_e1fee2f1-db47-4e50-868b-7863b9c87afd_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income tax expense (recovery) relating to cash flow hedges</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income tax relating to cash flow hedges included in other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsTable_4e54c8ef-0134-4665-870a-0f52d902fbaf_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about intangible assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about intangible assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfIntangibleAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PurchaseOrdersIssuedForAcquisitionOfInventory_a1e55f67-0887-4207-b1b4-59c07451a783_terseLabel_en-US" xlink:label="lab_cls_PurchaseOrdersIssuedForAcquisitionOfInventory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase orders issued for acquisition of inventory</link:label>
    <link:label id="lab_cls_PurchaseOrdersIssuedForAcquisitionOfInventory_label_en-US" xlink:label="lab_cls_PurchaseOrdersIssuedForAcquisitionOfInventory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase Orders Issued For Acquisition Of Inventory</link:label>
    <link:label id="lab_cls_PurchaseOrdersIssuedForAcquisitionOfInventory_documentation_en-US" xlink:label="lab_cls_PurchaseOrdersIssuedForAcquisitionOfInventory" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase Orders Issued For Acquisition Of Inventory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PurchaseOrdersIssuedForAcquisitionOfInventory" xlink:href="cls-20221231.xsd#cls_PurchaseOrdersIssuedForAcquisitionOfInventory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PurchaseOrdersIssuedForAcquisitionOfInventory" xlink:to="lab_cls_PurchaseOrdersIssuedForAcquisitionOfInventory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AdjustmentToReconcileEarningsLossBeforeIncomeTaxAbstract_209a7eb1-2cf2-4df1-ab2b-8fd82b1e3451_terseLabel_en-US" xlink:label="lab_cls_AdjustmentToReconcileEarningsLossBeforeIncomeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciling items:</link:label>
    <link:label id="lab_cls_AdjustmentToReconcileEarningsLossBeforeIncomeTaxAbstract_label_en-US" xlink:label="lab_cls_AdjustmentToReconcileEarningsLossBeforeIncomeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustment To Reconcile Earnings (Loss) Before Income Tax [Abstract]</link:label>
    <link:label id="lab_cls_AdjustmentToReconcileEarningsLossBeforeIncomeTaxAbstract_documentation_en-US" xlink:label="lab_cls_AdjustmentToReconcileEarningsLossBeforeIncomeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustment To Reconcile Earnings (Loss) Before Income Tax [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AdjustmentToReconcileEarningsLossBeforeIncomeTaxAbstract" xlink:href="cls-20221231.xsd#cls_AdjustmentToReconcileEarningsLossBeforeIncomeTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AdjustmentToReconcileEarningsLossBeforeIncomeTaxAbstract" xlink:to="lab_cls_AdjustmentToReconcileEarningsLossBeforeIncomeTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RightOfUseAssetForeignExchangeAndOther_7b432c24-de09-4d58-90a4-b823f116b870_terseLabel_en-US" xlink:label="lab_cls_RightOfUseAssetForeignExchangeAndOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Foreign exchange and other</link:label>
    <link:label id="lab_cls_RightOfUseAssetForeignExchangeAndOther_label_en-US" xlink:label="lab_cls_RightOfUseAssetForeignExchangeAndOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right-Of-Use Asset, Foreign Exchange And Other</link:label>
    <link:label id="lab_cls_RightOfUseAssetForeignExchangeAndOther_documentation_en-US" xlink:label="lab_cls_RightOfUseAssetForeignExchangeAndOther" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right-Of-Use Asset, Foreign Exchange And Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RightOfUseAssetForeignExchangeAndOther" xlink:href="cls-20221231.xsd#cls_RightOfUseAssetForeignExchangeAndOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RightOfUseAssetForeignExchangeAndOther" xlink:to="lab_cls_RightOfUseAssetForeignExchangeAndOther" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RestructuringProvisionMember_7ec96807-5283-4677-9400-d8f05e02800d_terseLabel_en-US" xlink:label="lab_ifrs-full_RestructuringProvisionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restructuring</link:label>
    <link:label id="lab_ifrs-full_RestructuringProvisionMember_label_en-US" xlink:label="lab_ifrs-full_RestructuringProvisionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restructuring provision [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RestructuringProvisionMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RestructuringProvisionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RestructuringProvisionMember" xlink:to="lab_ifrs-full_RestructuringProvisionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DefinedBenefitPlanUltimateHealthCareCostTrendRate2_890b7a26-a9ef-43ef-af81-1f8c717087e1_terseLabel_en-US" xlink:label="lab_cls_DefinedBenefitPlanUltimateHealthCareCostTrendRate2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Ultimate trend</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanUltimateHealthCareCostTrendRate2_label_en-US" xlink:label="lab_cls_DefinedBenefitPlanUltimateHealthCareCostTrendRate2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Ultimate Health Care Cost Trend Rate2</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanUltimateHealthCareCostTrendRate2_documentation_en-US" xlink:label="lab_cls_DefinedBenefitPlanUltimateHealthCareCostTrendRate2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Ultimate Health Care Cost Trend Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DefinedBenefitPlanUltimateHealthCareCostTrendRate2" xlink:href="cls-20221231.xsd#cls_DefinedBenefitPlanUltimateHealthCareCostTrendRate2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DefinedBenefitPlanUltimateHealthCareCostTrendRate2" xlink:to="lab_cls_DefinedBenefitPlanUltimateHealthCareCostTrendRate2" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_c0d44aba-d68f-41e8-9b0f-74ec3a9798ef_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation of changes in property, plant and equipment [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation of changes in property, plant and equipment [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ScheduleOfCreditFacilityActivityTableTextBlock_d145e41e-ab2d-4f91-b853-ec82acfd7e69_terseLabel_en-US" xlink:label="lab_cls_ScheduleOfCreditFacilityActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Credit Facility Activity</link:label>
    <link:label id="lab_cls_ScheduleOfCreditFacilityActivityTableTextBlock_label_en-US" xlink:label="lab_cls_ScheduleOfCreditFacilityActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule Of Credit Facility Activity [Table Text Block]</link:label>
    <link:label id="lab_cls_ScheduleOfCreditFacilityActivityTableTextBlock_documentation_en-US" xlink:label="lab_cls_ScheduleOfCreditFacilityActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule Of Credit Facility Activity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ScheduleOfCreditFacilityActivityTableTextBlock" xlink:href="cls-20221231.xsd#cls_ScheduleOfCreditFacilityActivityTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ScheduleOfCreditFacilityActivityTableTextBlock" xlink:to="lab_cls_ScheduleOfCreditFacilityActivityTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsMember_a1c1cbf6-f817-4bdd-8328-f381be779d4e_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial assets, class</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial assets, class [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsMember" xlink:to="lab_ifrs-full_FinancialAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_0b004ceb-18af-4557-8d32-a4dfdf61f0df_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_dei_EntityCommonStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory_396ebf79-8722-48c5-be42-82edf51692aa_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basis of consolidation</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for subsidiaries [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxEffectOfTaxLosses_8e26ab47-f566-4064-9161-ddf3baef0c49_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxEffectOfTaxLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Change in unrecognized tax losses and deductible temporary differences</link:label>
    <link:label id="lab_ifrs-full_TaxEffectOfTaxLosses_label_en-US" xlink:label="lab_ifrs-full_TaxEffectOfTaxLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax effect of tax losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxEffectOfTaxLosses" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TaxEffectOfTaxLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectOfTaxLosses" xlink:to="lab_ifrs-full_TaxEffectOfTaxLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax_1fcef73f-f7bf-44ef-bdba-541d81dfa553_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net gain (loss) on cash flow hedges</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gains (losses) on cash flow hedges, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" xlink:to="lab_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_3ba7aef5-c050-4d83-bdc2-2a5f39e3f7f6_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest income</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_85055c05-f284-45cc-b5f0-9b38062f5f50_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest cost</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_851eb1e9-4bd4-452e-8b6d-da798ea05eba_verboseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net interest cost</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TreasuryStockSharesAcquired1_e48f61c4-c88a-43c1-881b-431cbe629222_terseLabel_en-US" xlink:label="lab_cls_TreasuryStockSharesAcquired1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of SVS repurchased for delivery under SBC plans (in millions) (in shares)</link:label>
    <link:label id="lab_cls_TreasuryStockSharesAcquired1_label_en-US" xlink:label="lab_cls_TreasuryStockSharesAcquired1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury Stock, Shares, Acquired1</link:label>
    <link:label id="lab_cls_TreasuryStockSharesAcquired1_documentation_en-US" xlink:label="lab_cls_TreasuryStockSharesAcquired1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury Stock, Shares, Acquired1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TreasuryStockSharesAcquired1" xlink:href="cls-20221231.xsd#cls_TreasuryStockSharesAcquired1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TreasuryStockSharesAcquired1" xlink:to="lab_cls_TreasuryStockSharesAcquired1" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_aa475c2c-db29-4b1e-bf95-74e4256dda2f_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentType"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RestructuringandRelatedCosts1Table_de518909-8a6a-47d3-a238-6b8ec5f741c4_terseLabel_en-US" xlink:label="lab_cls_RestructuringandRelatedCosts1Table" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restructuring and Related Costs [Table]</link:label>
    <link:label id="lab_cls_RestructuringandRelatedCosts1Table_label_en-US" xlink:label="lab_cls_RestructuringandRelatedCosts1Table" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restructuring and Related Costs1 [Table]</link:label>
    <link:label id="lab_cls_RestructuringandRelatedCosts1Table_documentation_en-US" xlink:label="lab_cls_RestructuringandRelatedCosts1Table" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restructuring and Related Costs1 [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RestructuringandRelatedCosts1Table" xlink:href="cls-20221231.xsd#cls_RestructuringandRelatedCosts1Table"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RestructuringandRelatedCosts1Table" xlink:to="lab_cls_RestructuringandRelatedCosts1Table" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CumulativeGainLossOnDefinedBenefitPlans_5af0c4b5-f1b2-4f78-9bab-cccf0ddbb9c5_negatedPeriodStartLabel_en-US" xlink:label="lab_cls_CumulativeGainLossOnDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cumulative losses, beginning of year</link:label>
    <link:label id="lab_cls_CumulativeGainLossOnDefinedBenefitPlans_b19d927a-0f50-48b1-bddc-02213b87bc9a_negatedPeriodEndLabel_en-US" xlink:label="lab_cls_CumulativeGainLossOnDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cumulative losses, end of year</link:label>
    <link:label id="lab_cls_CumulativeGainLossOnDefinedBenefitPlans_label_en-US" xlink:label="lab_cls_CumulativeGainLossOnDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cumulative Gain (Loss) On Defined Benefit Plans</link:label>
    <link:label id="lab_cls_CumulativeGainLossOnDefinedBenefitPlans_documentation_en-US" xlink:label="lab_cls_CumulativeGainLossOnDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cumulative Gain (Loss) On Defined Benefit Plans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CumulativeGainLossOnDefinedBenefitPlans" xlink:href="cls-20221231.xsd#cls_CumulativeGainLossOnDefinedBenefitPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CumulativeGainLossOnDefinedBenefitPlans" xlink:to="lab_cls_CumulativeGainLossOnDefinedBenefitPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BridgeLoan1Member_638b0e7e-2efd-4238-b632-21517a297739_terseLabel_en-US" xlink:label="lab_cls_BridgeLoan1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Bridge Loan</link:label>
    <link:label id="lab_cls_BridgeLoan1Member_label_en-US" xlink:label="lab_cls_BridgeLoan1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Bridge Loan1 [Member]</link:label>
    <link:label id="lab_cls_BridgeLoan1Member_documentation_en-US" xlink:label="lab_cls_BridgeLoan1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Bridge Loan1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BridgeLoan1Member" xlink:href="cls-20221231.xsd#cls_BridgeLoan1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BridgeLoan1Member" xlink:to="lab_cls_BridgeLoan1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NumberOfCustomers_d05d3d9a-4496-4a66-8cc9-34d4ad15e939_terseLabel_en-US" xlink:label="lab_cls_NumberOfCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of customers</link:label>
    <link:label id="lab_cls_NumberOfCustomers_label_en-US" xlink:label="lab_cls_NumberOfCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Customers</link:label>
    <link:label id="lab_cls_NumberOfCustomers_documentation_en-US" xlink:label="lab_cls_NumberOfCustomers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NumberOfCustomers" xlink:href="cls-20221231.xsd#cls_NumberOfCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NumberOfCustomers" xlink:to="lab_cls_NumberOfCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ApplicableTaxRate_f410d4d1-4f82-4d49-a7ed-d05618ed3c29_terseLabel_en-US" xlink:label="lab_ifrs-full_ApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Applicable tax rate after expiration of incentive</link:label>
    <link:label id="lab_ifrs-full_ApplicableTaxRate_label_en-US" xlink:label="lab_ifrs-full_ApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Applicable tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ApplicableTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ApplicableTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ApplicableTaxRate" xlink:to="lab_ifrs-full_ApplicableTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationPropertyPlantAndEquipment_dd5a8e07-66d0-491f-a812-05d519b8bee7_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Depreciation</link:label>
    <link:label id="lab_ifrs-full_DepreciationPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Depreciation, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepreciationPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Cash_143966bb-cd07-4f7a-88ef-eb05c0021304_terseLabel_en-US" xlink:label="lab_ifrs-full_Cash" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash</link:label>
    <link:label id="lab_ifrs-full_Cash_label_en-US" xlink:label="lab_ifrs-full_Cash" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Cash" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Cash"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Cash" xlink:to="lab_ifrs-full_Cash" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_4fd38d5c-01dc-4b77-a62d-d90088a5c60f_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net cash provided by operating activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash flows from (used in) operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeStatementLocation1Domain_443b136a-d0a7-4c2e-b41f-6f5a4bea2a1b_terseLabel_en-US" xlink:label="lab_cls_IncomeStatementLocation1Domain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Statement Location [Domain]</link:label>
    <link:label id="lab_cls_IncomeStatementLocation1Domain_label_en-US" xlink:label="lab_cls_IncomeStatementLocation1Domain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Statement Location1 [Domain]</link:label>
    <link:label id="lab_cls_IncomeStatementLocation1Domain_documentation_en-US" xlink:label="lab_cls_IncomeStatementLocation1Domain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Domain] for Income Statement Location [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeStatementLocation1Domain" xlink:href="cls-20221231.xsd#cls_IncomeStatementLocation1Domain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeStatementLocation1Domain" xlink:to="lab_cls_IncomeStatementLocation1Domain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_a96c4871-5c33-4d85-b65a-13d67f9f51fc_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total equity</link:label>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_9b044032-c9eb-48c3-b210-b7845cc99790_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock-based compensation (SBC)</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for share-based payment transactions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SubordinateVotingSharesMember_ce5e3739-3d27-4e0c-bbc7-4432e034fb38_verboseLabel_en-US" xlink:label="lab_cls_SubordinateVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">SVS</link:label>
    <link:label id="lab_cls_SubordinateVotingSharesMember_93c055e1-baba-4c3e-9a6b-8ea92c15de18_terseLabel_en-US" xlink:label="lab_cls_SubordinateVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">SVS</link:label>
    <link:label id="lab_cls_SubordinateVotingSharesMember_label_en-US" xlink:label="lab_cls_SubordinateVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Subordinate Voting Shares [Member]</link:label>
    <link:label id="lab_cls_SubordinateVotingSharesMember_documentation_en-US" xlink:label="lab_cls_SubordinateVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Subordinate Voting Shares [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SubordinateVotingSharesMember" xlink:href="cls-20221231.xsd#cls_SubordinateVotingSharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SubordinateVotingSharesMember" xlink:to="lab_cls_SubordinateVotingSharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AcquisitionRelatedCostsForPotentialAcquisitions_29baba74-bf38-4a35-8de0-a21f9bd0a38e_terseLabel_en-US" xlink:label="lab_cls_AcquisitionRelatedCostsForPotentialAcquisitions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisition-related costs for potential acquisitions</link:label>
    <link:label id="lab_cls_AcquisitionRelatedCostsForPotentialAcquisitions_label_en-US" xlink:label="lab_cls_AcquisitionRelatedCostsForPotentialAcquisitions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisition-related costs for potential acquisitions</link:label>
    <link:label id="lab_cls_AcquisitionRelatedCostsForPotentialAcquisitions_documentation_en-US" xlink:label="lab_cls_AcquisitionRelatedCostsForPotentialAcquisitions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisition-related costs for potential acquisitions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AcquisitionRelatedCostsForPotentialAcquisitions" xlink:href="cls-20221231.xsd#cls_AcquisitionRelatedCostsForPotentialAcquisitions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AcquisitionRelatedCostsForPotentialAcquisitions" xlink:to="lab_cls_AcquisitionRelatedCostsForPotentialAcquisitions" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SalesRevenueNet1Member_b47d6dff-29e9-4b3a-944c-bc6164604723_terseLabel_en-US" xlink:label="lab_cls_SalesRevenueNet1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue</link:label>
    <link:label id="lab_cls_SalesRevenueNet1Member_label_en-US" xlink:label="lab_cls_SalesRevenueNet1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sales Revenue, Net1 [Member]</link:label>
    <link:label id="lab_cls_SalesRevenueNet1Member_documentation_en-US" xlink:label="lab_cls_SalesRevenueNet1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sales Revenue, Net1 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SalesRevenueNet1Member" xlink:href="cls-20221231.xsd#cls_SalesRevenueNet1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SalesRevenueNet1Member" xlink:to="lab_cls_SalesRevenueNet1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAdjustmentsForNoncashItems_6775b782-89a2-4919-bfed-872cf071bf53_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other charges</link:label>
    <link:label id="lab_ifrs-full_OtherAdjustmentsForNoncashItems_label_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other adjustments for non-cash items</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherAdjustmentsForNoncashItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:to="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharePrice_6973be99-da14-4e0b-9774-0cb6cd440954_terseLabel_en-US" xlink:label="lab_cls_SharePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average price per share for repurchases (in dollars per share)</link:label>
    <link:label id="lab_cls_SharePrice_label_en-US" xlink:label="lab_cls_SharePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share Price</link:label>
    <link:label id="lab_cls_SharePrice_documentation_en-US" xlink:label="lab_cls_SharePrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share Price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharePrice" xlink:href="cls-20221231.xsd#cls_SharePrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharePrice" xlink:to="lab_cls_SharePrice" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory_2f5053dc-c5e8-4112-9f87-8ed390b32940_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Changes in Provisions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of other provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOtherProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable_82c9ff59-0c6a-4701-bf44-2b2c77c3f356_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of range of exercise prices of outstanding share options [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of range of exercise prices of outstanding share options [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable" xlink:to="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetDefinedBenefitLiabilityAssetMember_19f896bd-76f9-4673-8e1a-35f6bed81187_terseLabel_en-US" xlink:label="lab_ifrs-full_NetDefinedBenefitLiabilityAssetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net defined benefit liability (asset)</link:label>
    <link:label id="lab_ifrs-full_NetDefinedBenefitLiabilityAssetMember_label_en-US" xlink:label="lab_ifrs-full_NetDefinedBenefitLiabilityAssetMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net defined benefit liability (asset) [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetDefinedBenefitLiabilityAssetMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NetDefinedBenefitLiabilityAssetMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDefinedBenefitLiabilityAssetMember" xlink:to="lab_ifrs-full_NetDefinedBenefitLiabilityAssetMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CashRestructureCharges_0c669038-cef4-4ffd-9ab2-9f75091bd6c9_terseLabel_en-US" xlink:label="lab_cls_CashRestructureCharges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash restructure charges</link:label>
    <link:label id="lab_cls_CashRestructureCharges_label_en-US" xlink:label="lab_cls_CashRestructureCharges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash Restructure Charges</link:label>
    <link:label id="lab_cls_CashRestructureCharges_documentation_en-US" xlink:label="lab_cls_CashRestructureCharges" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash Restructure Charges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CashRestructureCharges" xlink:href="cls-20221231.xsd#cls_CashRestructureCharges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CashRestructureCharges" xlink:to="lab_cls_CashRestructureCharges" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_0c366e51-2c14-442d-a836-a8aca9b3aeac_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commitments, Contingencies and Guarantees</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of commitments and contingent liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxLiabilities_82f933c6-9234-43b5-9a52-1ce946384359_terseLabel_en-US" xlink:label="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additions from business combinations</link:label>
    <link:label id="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxLiabilities_label_en-US" xlink:label="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Relating To Business Combinations, Deferred Tax Liabilities</link:label>
    <link:label id="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxLiabilities_documentation_en-US" xlink:label="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Relating To Business Combinations, Deferred Tax Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxLiabilities" xlink:href="cls-20221231.xsd#cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxLiabilities" xlink:to="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BuildingImprovementsAndLeaseholdImprovementsMember_12250eda-031e-436c-a252-2cde3ec8206e_terseLabel_en-US" xlink:label="lab_cls_BuildingImprovementsAndLeaseholdImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Building/leasehold improvements</link:label>
    <link:label id="lab_cls_BuildingImprovementsAndLeaseholdImprovementsMember_label_en-US" xlink:label="lab_cls_BuildingImprovementsAndLeaseholdImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Building Improvements And Leasehold Improvements [Member]</link:label>
    <link:label id="lab_cls_BuildingImprovementsAndLeaseholdImprovementsMember_documentation_en-US" xlink:label="lab_cls_BuildingImprovementsAndLeaseholdImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Building Improvements and Leasehold Improvements [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BuildingImprovementsAndLeaseholdImprovementsMember" xlink:href="cls-20221231.xsd#cls_BuildingImprovementsAndLeaseholdImprovementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BuildingImprovementsAndLeaseholdImprovementsMember" xlink:to="lab_cls_BuildingImprovementsAndLeaseholdImprovementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_UndiscountedLeasePaymentsToBePaid_ec468dde-aaff-40fe-8ddc-80b73f11f191_terseLabel_en-US" xlink:label="lab_cls_UndiscountedLeasePaymentsToBePaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Undiscounted cash flows for lease obligation</link:label>
    <link:label id="lab_cls_UndiscountedLeasePaymentsToBePaid_label_en-US" xlink:label="lab_cls_UndiscountedLeasePaymentsToBePaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Undiscounted Lease Payments To Be Paid</link:label>
    <link:label id="lab_cls_UndiscountedLeasePaymentsToBePaid_documentation_en-US" xlink:label="lab_cls_UndiscountedLeasePaymentsToBePaid" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Undiscounted Lease Payments To Be Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_UndiscountedLeasePaymentsToBePaid" xlink:href="cls-20221231.xsd#cls_UndiscountedLeasePaymentsToBePaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_UndiscountedLeasePaymentsToBePaid" xlink:to="lab_cls_UndiscountedLeasePaymentsToBePaid" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AggregateDebtIssuanceCostsMember_7c4344f8-641f-48fa-b045-2ac314a0e3ac_terseLabel_en-US" xlink:label="lab_cls_AggregateDebtIssuanceCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Aggregate Debt Issuance Costs</link:label>
    <link:label id="lab_cls_AggregateDebtIssuanceCostsMember_label_en-US" xlink:label="lab_cls_AggregateDebtIssuanceCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Aggregate Debt Issuance Costs [Member]</link:label>
    <link:label id="lab_cls_AggregateDebtIssuanceCostsMember_documentation_en-US" xlink:label="lab_cls_AggregateDebtIssuanceCostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Aggregate Debt Issuance Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AggregateDebtIssuanceCostsMember" xlink:href="cls-20221231.xsd#cls_AggregateDebtIssuanceCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AggregateDebtIssuanceCostsMember" xlink:to="lab_cls_AggregateDebtIssuanceCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RightOfUseAssetRollForwardRollForward_9cc85874-566e-438d-9241-c7f22578675a_terseLabel_en-US" xlink:label="lab_cls_RightOfUseAssetRollForwardRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right Of Use Asset Roll Forward [Roll Forward]</link:label>
    <link:label id="lab_cls_RightOfUseAssetRollForwardRollForward_label_en-US" xlink:label="lab_cls_RightOfUseAssetRollForwardRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right Of Use Asset Roll Forward [Roll Forward]</link:label>
    <link:label id="lab_cls_RightOfUseAssetRollForwardRollForward_documentation_en-US" xlink:label="lab_cls_RightOfUseAssetRollForwardRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right Of Use Asset Roll Forward [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RightOfUseAssetRollForwardRollForward" xlink:href="cls-20221231.xsd#cls_RightOfUseAssetRollForwardRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RightOfUseAssetRollForwardRollForward" xlink:to="lab_cls_RightOfUseAssetRollForwardRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod1_522187b5-8a06-4b73-b59a-912fa74ff38e_terseLabel_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expiration period</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod1_label_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period1</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod1_documentation_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod1" xlink:href="cls-20221231.xsd#cls_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod1" xlink:to="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod1" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_StockRepurchaseProgramNumberOfSharesPurchased_bef793cf-46ec-4bf7-8196-d82a2445df54_terseLabel_en-US" xlink:label="lab_cls_StockRepurchaseProgramNumberOfSharesPurchased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares purchased by counterparty</link:label>
    <link:label id="lab_cls_StockRepurchaseProgramNumberOfSharesPurchased_label_en-US" xlink:label="lab_cls_StockRepurchaseProgramNumberOfSharesPurchased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Repurchase Program, Number Of Shares Purchased</link:label>
    <link:label id="lab_cls_StockRepurchaseProgramNumberOfSharesPurchased_documentation_en-US" xlink:label="lab_cls_StockRepurchaseProgramNumberOfSharesPurchased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Repurchase Program, Number Of Shares Purchased</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_StockRepurchaseProgramNumberOfSharesPurchased" xlink:href="cls-20221231.xsd#cls_StockRepurchaseProgramNumberOfSharesPurchased"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_StockRepurchaseProgramNumberOfSharesPurchased" xlink:to="lab_cls_StockRepurchaseProgramNumberOfSharesPurchased" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract_9e2908cf-0fc2-423b-9484-513e808fe795_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital transactions:</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of classes of share capital [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives_b64c66d6-ec73-4736-92c0-8b645261963d_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gains on change in fair value of derivatives</link:label>
    <link:label id="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives_label_en-US" xlink:label="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gains on change in fair value of derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GainsOnChangeInFairValueOfDerivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:to="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ExpectedLifeOtherEquityInstrumentsGranted_2ac23755-4360-4a43-a528-bbedd30c397d_terseLabel_en-US" xlink:label="lab_cls_ExpectedLifeOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expected life</link:label>
    <link:label id="lab_cls_ExpectedLifeOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_cls_ExpectedLifeOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expected Life, Other Equity Instruments Granted</link:label>
    <link:label id="lab_cls_ExpectedLifeOtherEquityInstrumentsGranted_documentation_en-US" xlink:label="lab_cls_ExpectedLifeOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expected Life, Other Equity Instruments Granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ExpectedLifeOtherEquityInstrumentsGranted" xlink:href="cls-20221231.xsd#cls_ExpectedLifeOtherEquityInstrumentsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ExpectedLifeOtherEquityInstrumentsGranted" xlink:to="lab_cls_ExpectedLifeOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CurrentBorrowingsAndLeaseLiabilities_46236499-e046-47cf-8616-64b41f16e028_terseLabel_en-US" xlink:label="lab_cls_CurrentBorrowingsAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current portion of borrowings under credit facility &amp; lease obligations</link:label>
    <link:label id="lab_cls_CurrentBorrowingsAndLeaseLiabilities_6586320b-8e57-46cb-8bfa-6334fa54b4e8_verboseLabel_en-US" xlink:label="lab_cls_CurrentBorrowingsAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current portion</link:label>
    <link:label id="lab_cls_CurrentBorrowingsAndLeaseLiabilities_label_en-US" xlink:label="lab_cls_CurrentBorrowingsAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Borrowings And Lease Liabilities</link:label>
    <link:label id="lab_cls_CurrentBorrowingsAndLeaseLiabilities_documentation_en-US" xlink:label="lab_cls_CurrentBorrowingsAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Borrowings And Lease Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CurrentBorrowingsAndLeaseLiabilities" xlink:href="cls-20221231.xsd#cls_CurrentBorrowingsAndLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CurrentBorrowingsAndLeaseLiabilities" xlink:to="lab_cls_CurrentBorrowingsAndLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives_dc6a1ba4-4793-42f9-89e0-cc0a422c46b7_terseLabel_en-US" xlink:label="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Losses on change in fair value of derivatives</link:label>
    <link:label id="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives_label_en-US" xlink:label="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Losses on change in fair value of derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LossesOnChangeInFairValueOfDerivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:to="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetDefinedBenefitLiabilityAssetAxis_331fcdf4-0583-4b6b-b952-651a5e0173c0_terseLabel_en-US" xlink:label="lab_ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net defined benefit liability (asset) [axis]</link:label>
    <link:label id="lab_ifrs-full_NetDefinedBenefitLiabilityAssetAxis_label_en-US" xlink:label="lab_ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net defined benefit liability (asset) [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NetDefinedBenefitLiabilityAssetAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:to="lab_ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_d8bf1db7-2c5b-42c8-b07f-1d51229d4c22_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-current lease liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-current lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:to="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MajorCustomersAxis_8f83e527-d2a1-4c1e-a3b5-317b18c93003_terseLabel_en-US" xlink:label="lab_srt_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer [Axis]</link:label>
    <link:label id="lab_srt_MajorCustomersAxis_label_en-US" xlink:label="lab_srt_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MajorCustomersAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MajorCustomersAxis" xlink:to="lab_srt_MajorCustomersAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_5de321e2-5f12-4530-9980-93cf73c2ff24_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage1_881d8f53-1178-48cd-bba5-ef6f600e3771_terseLabel_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vesting (as a) percentage</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage1_label_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage1</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage1_documentation_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage1" xlink:href="cls-20221231.xsd#cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage1" xlink:to="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage1" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RestrictedStockUnitsRSU1Member_7078140c-1abc-461e-a37c-7dd6e539e911_terseLabel_en-US" xlink:label="lab_cls_RestrictedStockUnitsRSU1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">RSUs</link:label>
    <link:label id="lab_cls_RestrictedStockUnitsRSU1Member_label_en-US" xlink:label="lab_cls_RestrictedStockUnitsRSU1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restricted Stock Units (RSU)1 [Member]</link:label>
    <link:label id="lab_cls_RestrictedStockUnitsRSU1Member_documentation_en-US" xlink:label="lab_cls_RestrictedStockUnitsRSU1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restricted Stock Units (RSU)1 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RestrictedStockUnitsRSU1Member" xlink:href="cls-20221231.xsd#cls_RestrictedStockUnitsRSU1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RestrictedStockUnitsRSU1Member" xlink:to="lab_cls_RestrictedStockUnitsRSU1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DefinedBenefitPlanAmountsForAssetLiabilityRecognizedInStatementOfFinancialPosition_6dd1fc86-d5d8-4255-b230-9726038ed45f_totalLabel_en-US" xlink:label="lab_cls_DefinedBenefitPlanAmountsForAssetLiabilityRecognizedInStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Excess (deficiency) of plan assets over accrued benefit obligations</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanAmountsForAssetLiabilityRecognizedInStatementOfFinancialPosition_label_en-US" xlink:label="lab_cls_DefinedBenefitPlanAmountsForAssetLiabilityRecognizedInStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Amounts For Asset (Liability) Recognized In Statement Of Financial Position</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanAmountsForAssetLiabilityRecognizedInStatementOfFinancialPosition_documentation_en-US" xlink:label="lab_cls_DefinedBenefitPlanAmountsForAssetLiabilityRecognizedInStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Amounts For Asset (Liability) Recognized In Statement Of Financial Position</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DefinedBenefitPlanAmountsForAssetLiabilityRecognizedInStatementOfFinancialPosition" xlink:href="cls-20221231.xsd#cls_DefinedBenefitPlanAmountsForAssetLiabilityRecognizedInStatementOfFinancialPosition"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DefinedBenefitPlanAmountsForAssetLiabilityRecognizedInStatementOfFinancialPosition" xlink:to="lab_cls_DefinedBenefitPlanAmountsForAssetLiabilityRecognizedInStatementOfFinancialPosition" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PlanAssetsDecreaseDueToRestrictions_41aa890c-fcc4-4c3e-a9be-c21d2edd5112_negatedLabel_en-US" xlink:label="lab_cls_PlanAssetsDecreaseDueToRestrictions" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan assets, decrease due to restrictions</link:label>
    <link:label id="lab_cls_PlanAssetsDecreaseDueToRestrictions_6da61e73-982f-4923-abc0-98c4643786ff_negatedTerseLabel_en-US" xlink:label="lab_cls_PlanAssetsDecreaseDueToRestrictions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reduction of plan assets due to IFRS restrictions described in note&#160;2(l)</link:label>
    <link:label id="lab_cls_PlanAssetsDecreaseDueToRestrictions_label_en-US" xlink:label="lab_cls_PlanAssetsDecreaseDueToRestrictions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan Assets, Decrease Due To Restrictions</link:label>
    <link:label id="lab_cls_PlanAssetsDecreaseDueToRestrictions_documentation_en-US" xlink:label="lab_cls_PlanAssetsDecreaseDueToRestrictions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan Assets, Decrease Due To Restrictions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PlanAssetsDecreaseDueToRestrictions" xlink:href="cls-20221231.xsd#cls_PlanAssetsDecreaseDueToRestrictions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PlanAssetsDecreaseDueToRestrictions" xlink:to="lab_cls_PlanAssetsDecreaseDueToRestrictions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UndrawnBorrowingFacilities_979a3856-3d26-45df-a77a-b0d7d3f827ce_terseLabel_en-US" xlink:label="lab_ifrs-full_UndrawnBorrowingFacilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Available uncommitted bank overdraft facilities</link:label>
    <link:label id="lab_ifrs-full_UndrawnBorrowingFacilities_789ffd83-7832-405c-8a8f-a06b285f5c24_verboseLabel_en-US" xlink:label="lab_ifrs-full_UndrawnBorrowingFacilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Available borrowings</link:label>
    <link:label id="lab_ifrs-full_UndrawnBorrowingFacilities_label_en-US" xlink:label="lab_ifrs-full_UndrawnBorrowingFacilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Undrawn borrowing facilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UndrawnBorrowingFacilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_UndrawnBorrowingFacilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UndrawnBorrowingFacilities" xlink:to="lab_ifrs-full_UndrawnBorrowingFacilities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ConcentrationRiskByType1Domain_ad5bb9b3-42c0-49fa-8770-a6b7d963f7ea_terseLabel_en-US" xlink:label="lab_cls_ConcentrationRiskByType1Domain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk By Type1 [Domain]</link:label>
    <link:label id="lab_cls_ConcentrationRiskByType1Domain_label_en-US" xlink:label="lab_cls_ConcentrationRiskByType1Domain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk By Type1 [Domain]</link:label>
    <link:label id="lab_cls_ConcentrationRiskByType1Domain_documentation_en-US" xlink:label="lab_cls_ConcentrationRiskByType1Domain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Domain] for Concentration Risk By Type1 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ConcentrationRiskByType1Domain" xlink:href="cls-20221231.xsd#cls_ConcentrationRiskByType1Domain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ConcentrationRiskByType1Domain" xlink:to="lab_cls_ConcentrationRiskByType1Domain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_ec7c0712-f7f6-4298-8abf-16c96b4005b9_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityRegistrantName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TransportationExpense_142ae357-9bf3-4d3b-9482-358c092f920f_terseLabel_en-US" xlink:label="lab_ifrs-full_TransportationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Freight and transportation costs</link:label>
    <link:label id="lab_ifrs-full_TransportationExpense_label_en-US" xlink:label="lab_ifrs-full_TransportationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transportation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TransportationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TransportationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TransportationExpense" xlink:to="lab_ifrs-full_TransportationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxRelatingToReclassificationOfNetGainLossOnCashFlowHedgesOfOtherComprehensiveIncome_a7fadba0-89d1-40f8-8f6d-ba11d4bf14b5_negatedTerseLabel_en-US" xlink:label="lab_cls_IncomeTaxRelatingToReclassificationOfNetGainLossOnCashFlowHedgesOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Release of income tax (expense) benefit relating to reclassification of net loss on cash flow hedges to operations</link:label>
    <link:label id="lab_cls_IncomeTaxRelatingToReclassificationOfNetGainLossOnCashFlowHedgesOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_cls_IncomeTaxRelatingToReclassificationOfNetGainLossOnCashFlowHedgesOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Relating To Reclassification Of Net Gain (Loss) On Cash Flow Hedges Of Other Comprehensive Income</link:label>
    <link:label id="lab_cls_IncomeTaxRelatingToReclassificationOfNetGainLossOnCashFlowHedgesOfOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_cls_IncomeTaxRelatingToReclassificationOfNetGainLossOnCashFlowHedgesOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Relating To Reclassification Of Net Gain (Loss) On Cash Flow Hedges Of Other Comprehensive Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxRelatingToReclassificationOfNetGainLossOnCashFlowHedgesOfOtherComprehensiveIncome" xlink:href="cls-20221231.xsd#cls_IncomeTaxRelatingToReclassificationOfNetGainLossOnCashFlowHedgesOfOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxRelatingToReclassificationOfNetGainLossOnCashFlowHedgesOfOtherComprehensiveIncome" xlink:to="lab_cls_IncomeTaxRelatingToReclassificationOfNetGainLossOnCashFlowHedgesOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ImpaktAcquisitionMember_fa62fd96-7bd7-4318-a5f7-d7a8099a864a_terseLabel_en-US" xlink:label="lab_cls_ImpaktAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impakt Acquisition</link:label>
    <link:label id="lab_cls_ImpaktAcquisitionMember_label_en-US" xlink:label="lab_cls_ImpaktAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impakt Acquisition [Member]</link:label>
    <link:label id="lab_cls_ImpaktAcquisitionMember_documentation_en-US" xlink:label="lab_cls_ImpaktAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impakt Acquisition</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ImpaktAcquisitionMember" xlink:href="cls-20221231.xsd#cls_ImpaktAcquisitionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ImpaktAcquisitionMember" xlink:to="lab_cls_ImpaktAcquisitionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_InsuranceRecoveryInventoryLosses_13f7218e-317a-42e1-911d-66abdff3a38d_terseLabel_en-US" xlink:label="lab_cls_InsuranceRecoveryInventoryLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory losses recovered</link:label>
    <link:label id="lab_cls_InsuranceRecoveryInventoryLosses_label_en-US" xlink:label="lab_cls_InsuranceRecoveryInventoryLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Insurance Recovery, Inventory Losses</link:label>
    <link:label id="lab_cls_InsuranceRecoveryInventoryLosses_documentation_en-US" xlink:label="lab_cls_InsuranceRecoveryInventoryLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Insurance Recovery, Inventory Losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_InsuranceRecoveryInventoryLosses" xlink:href="cls-20221231.xsd#cls_InsuranceRecoveryInventoryLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_InsuranceRecoveryInventoryLosses" xlink:to="lab_cls_InsuranceRecoveryInventoryLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember_fa8e57eb-422d-48a4-aec2-d7258fe0051e_terseLabel_en-US" xlink:label="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember_label_en-US" xlink:label="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Provision for decommissioning, restoration and rehabilitation costs [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:to="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsLineItems_35f34ad9-0dd7-483c-90f2-827d5a9c8e5b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about business combination [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about business combination [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfBusinessCombinationsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="lab_ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharesRepurchasedDuringPeriodShares_e45f54d6-d3df-4014-9e41-2a8442e3f4d5_terseLabel_en-US" xlink:label="lab_cls_SharesRepurchasedDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of SVS repurchased for cancellation (in millions) (in shares)</link:label>
    <link:label id="lab_cls_SharesRepurchasedDuringPeriodShares_label_en-US" xlink:label="lab_cls_SharesRepurchasedDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Shares Repurchased During Period, Shares</link:label>
    <link:label id="lab_cls_SharesRepurchasedDuringPeriodShares_documentation_en-US" xlink:label="lab_cls_SharesRepurchasedDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Shares Repurchased During Period, Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharesRepurchasedDuringPeriodShares" xlink:href="cls-20221231.xsd#cls_SharesRepurchasedDuringPeriodShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharesRepurchasedDuringPeriodShares" xlink:to="lab_cls_SharesRepurchasedDuringPeriodShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_2af5642e-cfd9-43bc-992d-874e9510edc7_totalLabel_en-US" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Post-employment benefit expense, defined benefit plans</link:label>
    <link:label id="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_label_en-US" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Post-employment benefit expense in profit or loss, defined benefit plans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:to="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionalInformationAboutSharebasedPaymentArrangements_fe38c29a-fc1d-4e88-b7e2-a4011ce09da1_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionalInformationAboutSharebasedPaymentArrangements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional information about share-based payment arrangements</link:label>
    <link:label id="lab_ifrs-full_AdditionalInformationAboutSharebasedPaymentArrangements_label_en-US" xlink:label="lab_ifrs-full_AdditionalInformationAboutSharebasedPaymentArrangements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional information about share-based payment arrangements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionalInformationAboutSharebasedPaymentArrangements" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdditionalInformationAboutSharebasedPaymentArrangements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionalInformationAboutSharebasedPaymentArrangements" xlink:to="lab_ifrs-full_AdditionalInformationAboutSharebasedPaymentArrangements" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_MXN_68585cda-dbef-4272-a922-8d8db815502d_terseLabel_en-US" xlink:label="lab_currency_MXN" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Mexican peso</link:label>
    <link:label id="lab_currency_MXN_label_en-US" xlink:label="lab_currency_MXN" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Mexico, Pesos</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_MXN" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_MXN"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_MXN" xlink:to="lab_currency_MXN" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MiscellaneousOtherProvisionsMember_309dce1d-f0f2-4ce6-89e6-aa97e1ad60a5_terseLabel_en-US" xlink:label="lab_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Miscellaneous other provisions</link:label>
    <link:label id="lab_ifrs-full_MiscellaneousOtherProvisionsMember_label_en-US" xlink:label="lab_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Miscellaneous other provisions [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MiscellaneousOtherProvisionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:to="lab_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MinimumMember_5da4a920-a686-40ad-9108-b5506555102e_terseLabel_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Minimum</link:label>
    <link:label id="lab_srt_MinimumMember_label_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MinimumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember" xlink:to="lab_srt_MinimumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AcceleratedAmortizationOfFinancingCosts_26ed9b45-f350-473b-abfb-e80848bbdc04_verboseLabel_en-US" xlink:label="lab_cls_AcceleratedAmortizationOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility-related charges</link:label>
    <link:label id="lab_cls_AcceleratedAmortizationOfFinancingCosts_c705ea13-a25f-4c3c-b651-ba68aaefffd6_terseLabel_en-US" xlink:label="lab_cls_AcceleratedAmortizationOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accelerated amortization of unamortized deferred financing costs</link:label>
    <link:label id="lab_cls_AcceleratedAmortizationOfFinancingCosts_label_en-US" xlink:label="lab_cls_AcceleratedAmortizationOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accelerated Amortization Of Financing Costs</link:label>
    <link:label id="lab_cls_AcceleratedAmortizationOfFinancingCosts_documentation_en-US" xlink:label="lab_cls_AcceleratedAmortizationOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accelerated Amortization Of Financing Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AcceleratedAmortizationOfFinancingCosts" xlink:href="cls-20221231.xsd#cls_AcceleratedAmortizationOfFinancingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AcceleratedAmortizationOfFinancingCosts" xlink:to="lab_cls_AcceleratedAmortizationOfFinancingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_1fad11c9-b97b-4ddb-860f-07427e6de398_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock_13567f27-ed03-4f55-b42e-05d2fc37a87e_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Expense Recognized In Consolidated Statement of Operations For Pension and Non-pension Post-employment Benefit Plans</link:label>
    <link:label id="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Defined Benefit Plan Expense Recognized In Profit Or Loss Explanatory [Table Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Defined Benefit Plan Expense Recognized In Profit Or Loss Explanatory [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock" xlink:to="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1_84efcb0b-d913-4740-baca-14652f4879fe_terseLabel_en-US" xlink:label="lab_cls_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock-based awards excluded from diluted weighted average per share calculation (in shares)</link:label>
    <link:label id="lab_cls_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1_label_en-US" xlink:label="lab_cls_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Antidilutive Securities Excluded From Computation Of Earnings Per Share, Amount1</link:label>
    <link:label id="lab_cls_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1_documentation_en-US" xlink:label="lab_cls_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1" xlink:href="cls-20221231.xsd#cls_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1" xlink:to="lab_cls_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_TradingSymbol_7fda8938-08f5-4459-922e-c2c8c0367d3e_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trading Symbol</link:label>
    <link:label id="lab_dei_TradingSymbol_label_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trading Symbol</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_TradingSymbol"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol" xlink:to="lab_dei_TradingSymbol" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFileNumber_255dbf7d-aa05-4289-8cf0-b3ff7e6c4cc6_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity File Number</link:label>
    <link:label id="lab_dei_EntityFileNumber_label_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity File Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFileNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFileNumber" xlink:to="lab_dei_EntityFileNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LettersOfCreditOutstandingAmount1_e078a83d-2f6f-4f5a-8362-3651c86835cf_terseLabel_en-US" xlink:label="lab_cls_LettersOfCreditOutstandingAmount1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Letters of credit outstanding</link:label>
    <link:label id="lab_cls_LettersOfCreditOutstandingAmount1_label_en-US" xlink:label="lab_cls_LettersOfCreditOutstandingAmount1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Letters Of Credit Outstanding, Amount1</link:label>
    <link:label id="lab_cls_LettersOfCreditOutstandingAmount1_documentation_en-US" xlink:label="lab_cls_LettersOfCreditOutstandingAmount1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Letters Of Credit Outstanding, Amount1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LettersOfCreditOutstandingAmount1" xlink:href="cls-20221231.xsd#cls_LettersOfCreditOutstandingAmount1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LettersOfCreditOutstandingAmount1" xlink:to="lab_cls_LettersOfCreditOutstandingAmount1" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfAmountsRecognizedInBalanceSheetExplanatoryTableTextBlock_574cb3ee-e12e-41d1-8c44-6c8ed3fcb85c_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfAmountsRecognizedInBalanceSheetExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Amounts Reported in Balance Sheet</link:label>
    <link:label id="lab_cls_DisclosureOfAmountsRecognizedInBalanceSheetExplanatoryTableTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfAmountsRecognizedInBalanceSheetExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Amounts Recognized In Balance Sheet Explanatory [Table Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfAmountsRecognizedInBalanceSheetExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfAmountsRecognizedInBalanceSheetExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Amounts Recognized In Balance Sheet</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfAmountsRecognizedInBalanceSheetExplanatoryTableTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfAmountsRecognizedInBalanceSheetExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfAmountsRecognizedInBalanceSheetExplanatoryTableTextBlock" xlink:to="lab_cls_DisclosureOfAmountsRecognizedInBalanceSheetExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset_52a0c6c7-6e60-4a92-8165-9212113cc905_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Foreign currency exchange rate changes and other</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset_5d3c8fc3-61c4-4799-b4fc-7434ef4353aa_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Foreign currency exchange rate changes and other</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) in net defined benefit liability (asset) resulting from changes in foreign exchange rates, net defined benefit liability (asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfCashPaymentsAbstract_f850e684-aab6-4fe7-ab6e-18f8d4535ab1_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfCashPaymentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Changes in non-cash working capital items:</link:label>
    <link:label id="lab_ifrs-full_ClassesOfCashPaymentsAbstract_label_en-US" xlink:label="lab_ifrs-full_ClassesOfCashPaymentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of cash payments from operating activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfCashPaymentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfCashPaymentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfCashPaymentsAbstract" xlink:to="lab_ifrs-full_ClassesOfCashPaymentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ShareBasedPaymentAwardTSRModifierPremium_604bcd0d-98f1-45ec-9e18-daacc2043c82_terseLabel_en-US" xlink:label="lab_cls_ShareBasedPaymentAwardTSRModifierPremium" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">TSR and Monte Carlo simulation premium</link:label>
    <link:label id="lab_cls_ShareBasedPaymentAwardTSRModifierPremium_label_en-US" xlink:label="lab_cls_ShareBasedPaymentAwardTSRModifierPremium" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Payment Award, TSR Modifier, Premium</link:label>
    <link:label id="lab_cls_ShareBasedPaymentAwardTSRModifierPremium_documentation_en-US" xlink:label="lab_cls_ShareBasedPaymentAwardTSRModifierPremium" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Payment Award, TSR Modifier, Premium</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ShareBasedPaymentAwardTSRModifierPremium" xlink:href="cls-20221231.xsd#cls_ShareBasedPaymentAwardTSRModifierPremium"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ShareBasedPaymentAwardTSRModifierPremium" xlink:to="lab_cls_ShareBasedPaymentAwardTSRModifierPremium" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnInterestExpense_d07a526a-e6b2-433c-830c-2658b7f8cd42_terseLabel_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnInterestExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reasonably possible change in risk variable, impact on interest expense</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnInterestExpense_label_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnInterestExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Interest Expense</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnInterestExpense_documentation_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnInterestExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Interest Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnInterestExpense" xlink:href="cls-20221231.xsd#cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnInterestExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnInterestExpense" xlink:to="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnInterestExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsTable_58b3cacb-1e0a-4948-8d9a-80c8a948e0dd_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of operating segments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of operating segments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_EquityInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage_10652ed7-cc10-4bbd-afa8-2f038825bafc_terseLabel_en-US" xlink:label="lab_cls_EquityInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity investment funds, allocation percentage</link:label>
    <link:label id="lab_cls_EquityInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage_label_en-US" xlink:label="lab_cls_EquityInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity Instruments, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage</link:label>
    <link:label id="lab_cls_EquityInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage_documentation_en-US" xlink:label="lab_cls_EquityInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity Instruments, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_EquityInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:href="cls-20221231.xsd#cls_EquityInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_EquityInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:to="lab_cls_EquityInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CustomerConcentrationRisk1Member_4432d660-90db-4f63-ba7a-8dd7e5f40ae2_terseLabel_en-US" xlink:label="lab_cls_CustomerConcentrationRisk1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer Concentration Risk</link:label>
    <link:label id="lab_cls_CustomerConcentrationRisk1Member_label_en-US" xlink:label="lab_cls_CustomerConcentrationRisk1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer Concentration Risk1 [Member]</link:label>
    <link:label id="lab_cls_CustomerConcentrationRisk1Member_documentation_en-US" xlink:label="lab_cls_CustomerConcentrationRisk1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer Concentration Risk1 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CustomerConcentrationRisk1Member" xlink:href="cls-20221231.xsd#cls_CustomerConcentrationRisk1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CustomerConcentrationRisk1Member" xlink:to="lab_cls_CustomerConcentrationRisk1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxEffectOfForeignTaxRates_6d8c63d2-3bfc-4ff4-8649-ca67a14b6260_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Foreign income taxed at different rates</link:label>
    <link:label id="lab_ifrs-full_TaxEffectOfForeignTaxRates_label_en-US" xlink:label="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax effect of foreign tax rates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxEffectOfForeignTaxRates" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TaxEffectOfForeignTaxRates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectOfForeignTaxRates" xlink:to="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_TitleOfIndividualAxis_1ee220bc-5528-442c-82cf-92af85b5b8d5_terseLabel_en-US" xlink:label="lab_srt_TitleOfIndividualAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of Individual [Axis]</link:label>
    <link:label id="lab_srt_TitleOfIndividualAxis_label_en-US" xlink:label="lab_srt_TitleOfIndividualAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of Individual [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_TitleOfIndividualAxis" xlink:to="lab_srt_TitleOfIndividualAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_StatementOfCashFlowsTable_bd46ee47-673b-45d6-ad11-c9aa19b8b186_terseLabel_en-US" xlink:label="lab_cls_StatementOfCashFlowsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement Of Cash Flows [Table]</link:label>
    <link:label id="lab_cls_StatementOfCashFlowsTable_label_en-US" xlink:label="lab_cls_StatementOfCashFlowsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement Of Cash Flows [Table]</link:label>
    <link:label id="lab_cls_StatementOfCashFlowsTable_documentation_en-US" xlink:label="lab_cls_StatementOfCashFlowsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement Of Cash Flows [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_StatementOfCashFlowsTable" xlink:href="cls-20221231.xsd#cls_StatementOfCashFlowsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_StatementOfCashFlowsTable" xlink:to="lab_cls_StatementOfCashFlowsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TermOfStrategicPlan_be30c7a5-a131-460d-95a6-9fcc15667f08_terseLabel_en-US" xlink:label="lab_cls_TermOfStrategicPlan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Term of strategic plan</link:label>
    <link:label id="lab_cls_TermOfStrategicPlan_label_en-US" xlink:label="lab_cls_TermOfStrategicPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Term of Strategic Plan</link:label>
    <link:label id="lab_cls_TermOfStrategicPlan_documentation_en-US" xlink:label="lab_cls_TermOfStrategicPlan" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Term of Strategic Plan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TermOfStrategicPlan" xlink:href="cls-20221231.xsd#cls_TermOfStrategicPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TermOfStrategicPlan" xlink:to="lab_cls_TermOfStrategicPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BorrowingsRequiredPeriodicPayment_6e0ec421-2265-4156-8b04-d2cff6bb9e53_terseLabel_en-US" xlink:label="lab_cls_BorrowingsRequiredPeriodicPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Periodic payment required</link:label>
    <link:label id="lab_cls_BorrowingsRequiredPeriodicPayment_label_en-US" xlink:label="lab_cls_BorrowingsRequiredPeriodicPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings, Required Periodic Payment</link:label>
    <link:label id="lab_cls_BorrowingsRequiredPeriodicPayment_documentation_en-US" xlink:label="lab_cls_BorrowingsRequiredPeriodicPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings, Required Periodic Payment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BorrowingsRequiredPeriodicPayment" xlink:href="cls-20221231.xsd#cls_BorrowingsRequiredPeriodicPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BorrowingsRequiredPeriodicPayment" xlink:to="lab_cls_BorrowingsRequiredPeriodicPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_MYR_66668eef-5e11-4d3c-aede-5f5b57eba6ea_terseLabel_en-US" xlink:label="lab_currency_MYR" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Malaysian ringgit</link:label>
    <link:label id="lab_currency_MYR_label_en-US" xlink:label="lab_currency_MYR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Malaysia, Ringgits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_MYR" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_MYR"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_MYR" xlink:to="lab_currency_MYR" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnusedTaxLossesMember_5f452569-db3d-472a-a5bb-e78a3541fcfd_terseLabel_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax losses carried forward</link:label>
    <link:label id="lab_ifrs-full_UnusedTaxLossesMember_label_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unused tax losses [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnusedTaxLossesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_UnusedTaxLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedTaxLossesMember" xlink:to="lab_ifrs-full_UnusedTaxLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RestructuringProvision_143404b5-372d-44ca-b0a7-963249e722cb_terseLabel_en-US" xlink:label="lab_ifrs-full_RestructuringProvision" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restructuring provision</link:label>
    <link:label id="lab_ifrs-full_RestructuringProvision_label_en-US" xlink:label="lab_ifrs-full_RestructuringProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restructuring provision</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RestructuringProvision" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RestructuringProvision"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RestructuringProvision" xlink:to="lab_ifrs-full_RestructuringProvision" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiabilities_77d74d32-4955-4c40-8e39-22ba48a83c4a_terseLabel_en-US" xlink:label="lab_cls_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Charged (credited) to net earnings</link:label>
    <link:label id="lab_cls_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiabilities_label_en-US" xlink:label="lab_cls_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Expense (Income) Recognised In Profit Or Loss, Deferred Tax Liabilities</link:label>
    <link:label id="lab_cls_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiabilities_documentation_en-US" xlink:label="lab_cls_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Expense (Income) Recognised In Profit Or Loss, Deferred Tax Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiabilities" xlink:href="cls-20221231.xsd#cls_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiabilities" xlink:to="lab_cls_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_397ae3ae-cbcf-4cdf-bcba-e65fc17fe1a0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of transactions between related parties [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of transactions between related parties [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_8b63c278-8cb2-48d4-8bd9-a891bca7cd98_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Risk free interest rate, share options granted</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Risk free interest rate, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019_ebe31371-7421-48d1-9517-e44e8095ac2d_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average exercise price (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average exercise price of share options exercisable in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory_7621fc14-56e8-4144-8184-b97cde4175aa_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Detailed Information About RSU and PSU Transactions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of number and weighted average exercise prices of other equity instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAbstract_d06096b3-6eae-44cd-9ce0-ae187b867c4c_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other comprehensive income (loss), net of tax</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other comprehensive income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnBenefitObligations_33247e54-2821-47fe-9c62-75c21bd5059d_terseLabel_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnBenefitObligations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of basis points</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnBenefitObligations_label_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnBenefitObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Benefit Obligations</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnBenefitObligations_documentation_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnBenefitObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Benefit Obligations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnBenefitObligations" xlink:href="cls-20221231.xsd#cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnBenefitObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnBenefitObligations" xlink:to="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnBenefitObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_THB_cb7f1d41-ad1a-4a5a-8f14-f95799958b5c_terseLabel_en-US" xlink:label="lab_currency_THB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Thai baht</link:label>
    <link:label id="lab_currency_THB_label_en-US" xlink:label="lab_currency_THB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Thailand, Baht</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_THB" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_THB"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_THB" xlink:to="lab_currency_THB" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LeasesLeaseTerm_a24cbd36-6e6d-4247-b3e5-d3e63bf2ee08_terseLabel_en-US" xlink:label="lab_cls_LeasesLeaseTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lease term (in years)</link:label>
    <link:label id="lab_cls_LeasesLeaseTerm_label_en-US" xlink:label="lab_cls_LeasesLeaseTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Leases, Lease Term</link:label>
    <link:label id="lab_cls_LeasesLeaseTerm_documentation_en-US" xlink:label="lab_cls_LeasesLeaseTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Leases, Lease Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LeasesLeaseTerm" xlink:href="cls-20221231.xsd#cls_LeasesLeaseTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LeasesLeaseTerm" xlink:to="lab_cls_LeasesLeaseTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_FirstExtendedInitialSwapsMember_016f7080-b3c5-40c1-bab3-0eb0dbc96cde_terseLabel_en-US" xlink:label="lab_cls_FirstExtendedInitialSwapsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">First Extended Initial Swaps</link:label>
    <link:label id="lab_cls_FirstExtendedInitialSwapsMember_label_en-US" xlink:label="lab_cls_FirstExtendedInitialSwapsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">First Extended Initial Swaps [Member]</link:label>
    <link:label id="lab_cls_FirstExtendedInitialSwapsMember_documentation_en-US" xlink:label="lab_cls_FirstExtendedInitialSwapsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">First Extended Initial Swaps</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_FirstExtendedInitialSwapsMember" xlink:href="cls-20221231.xsd#cls_FirstExtendedInitialSwapsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_FirstExtendedInitialSwapsMember" xlink:to="lab_cls_FirstExtendedInitialSwapsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AdditionalIncomeAndValueAddedTaxesOnSubsidiariesMember_7328bede-3d1e-4894-acc6-c4481f229f63_terseLabel_en-US" xlink:label="lab_cls_AdditionalIncomeAndValueAddedTaxesOnSubsidiariesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional income and value-added taxes on subsidiaries</link:label>
    <link:label id="lab_cls_AdditionalIncomeAndValueAddedTaxesOnSubsidiariesMember_label_en-US" xlink:label="lab_cls_AdditionalIncomeAndValueAddedTaxesOnSubsidiariesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional Income And Value-Added Taxes On Subsidiaries [Member]</link:label>
    <link:label id="lab_cls_AdditionalIncomeAndValueAddedTaxesOnSubsidiariesMember_documentation_en-US" xlink:label="lab_cls_AdditionalIncomeAndValueAddedTaxesOnSubsidiariesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional Income And Value-Added Taxes On Subsidiaries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AdditionalIncomeAndValueAddedTaxesOnSubsidiariesMember" xlink:href="cls-20221231.xsd#cls_AdditionalIncomeAndValueAddedTaxesOnSubsidiariesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AdditionalIncomeAndValueAddedTaxesOnSubsidiariesMember" xlink:to="lab_cls_AdditionalIncomeAndValueAddedTaxesOnSubsidiariesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeStatementLocation1Axis_85db9f5b-96b4-4c9a-a54f-acb16f26c907_terseLabel_en-US" xlink:label="lab_cls_IncomeStatementLocation1Axis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Statement Location [Axis]</link:label>
    <link:label id="lab_cls_IncomeStatementLocation1Axis_label_en-US" xlink:label="lab_cls_IncomeStatementLocation1Axis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Statement Location1 [Axis]</link:label>
    <link:label id="lab_cls_IncomeStatementLocation1Axis_documentation_en-US" xlink:label="lab_cls_IncomeStatementLocation1Axis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Statement Location [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeStatementLocation1Axis" xlink:href="cls-20221231.xsd#cls_IncomeStatementLocation1Axis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeStatementLocation1Axis" xlink:to="lab_cls_IncomeStatementLocation1Axis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentMember_960abaf5-ba75-4901-9a8a-48225db48621_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentMember_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ReclassificationBetweenDeferredTaxAssetAndDeferredTaxLiabilityRelatedTemporaryDifferencesMember_551f0cea-7b60-4002-80d6-bd6b8f6c3a10_terseLabel_en-US" xlink:label="lab_cls_ReclassificationBetweenDeferredTaxAssetAndDeferredTaxLiabilityRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification between deferred tax assets and deferred tax liabilities</link:label>
    <link:label id="lab_cls_ReclassificationBetweenDeferredTaxAssetAndDeferredTaxLiabilityRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_cls_ReclassificationBetweenDeferredTaxAssetAndDeferredTaxLiabilityRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification Between Deferred Tax Asset And Deferred Tax Liability Related Temporary Differences [Member]</link:label>
    <link:label id="lab_cls_ReclassificationBetweenDeferredTaxAssetAndDeferredTaxLiabilityRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_cls_ReclassificationBetweenDeferredTaxAssetAndDeferredTaxLiabilityRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification Between Deferred Tax Asset And Deferred Tax Liability Related Temporary Differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ReclassificationBetweenDeferredTaxAssetAndDeferredTaxLiabilityRelatedTemporaryDifferencesMember" xlink:href="cls-20221231.xsd#cls_ReclassificationBetweenDeferredTaxAssetAndDeferredTaxLiabilityRelatedTemporaryDifferencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ReclassificationBetweenDeferredTaxAssetAndDeferredTaxLiabilityRelatedTemporaryDifferencesMember" xlink:to="lab_cls_ReclassificationBetweenDeferredTaxAssetAndDeferredTaxLiabilityRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinishedGoods_ae72ac75-afeb-491a-8be3-323c07f8a779_terseLabel_en-US" xlink:label="lab_ifrs-full_FinishedGoods" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Finished goods</link:label>
    <link:label id="lab_ifrs-full_FinishedGoods_label_en-US" xlink:label="lab_ifrs-full_FinishedGoods" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current finished goods</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinishedGoods" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinishedGoods"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinishedGoods" xlink:to="lab_ifrs-full_FinishedGoods" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonSettlement_fa463de7-3b5e-436e-9ed0-255eeef1e0b5_negatedTerseLabel_en-US" xlink:label="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonSettlement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Loss on pension annuity purchases (see note 18(a))</link:label>
    <link:label id="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonSettlement_label_en-US" xlink:label="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonSettlement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Comprehensive Income, Net of Tax, Gain (Loss) on Settlement</link:label>
    <link:label id="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonSettlement_documentation_en-US" xlink:label="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonSettlement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Comprehensive Income, Net of Tax, Gain (Loss) on Settlement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OtherComprehensiveIncomeNetofTaxGainLossonSettlement" xlink:href="cls-20221231.xsd#cls_OtherComprehensiveIncomeNetofTaxGainLossonSettlement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OtherComprehensiveIncomeNetofTaxGainLossonSettlement" xlink:to="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonSettlement" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PensionsAndNonpensionPostretirementBenefitRelatedTemporaryDifferencesMember_dd3c0471-b3ea-4bdb-a5ff-e131a1ee8f6a_terseLabel_en-US" xlink:label="lab_cls_PensionsAndNonpensionPostretirementBenefitRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pensions and non-pension post-retirement benefits</link:label>
    <link:label id="lab_cls_PensionsAndNonpensionPostretirementBenefitRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_cls_PensionsAndNonpensionPostretirementBenefitRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pensions And Non-pension Post-retirement Benefit Related Temporary Differences [Member]</link:label>
    <link:label id="lab_cls_PensionsAndNonpensionPostretirementBenefitRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_cls_PensionsAndNonpensionPostretirementBenefitRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pensions And Non-pension Post-retirement Benefit Related Temporary Differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PensionsAndNonpensionPostretirementBenefitRelatedTemporaryDifferencesMember" xlink:href="cls-20221231.xsd#cls_PensionsAndNonpensionPostretirementBenefitRelatedTemporaryDifferencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PensionsAndNonpensionPostretirementBenefitRelatedTemporaryDifferencesMember" xlink:to="lab_cls_PensionsAndNonpensionPostretirementBenefitRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NumberOfSharesOutstandingRollForward_1f61c1f0-16c8-49e5-a075-04fe9d392456_terseLabel_en-US" xlink:label="lab_cls_NumberOfSharesOutstandingRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Shares Outstanding [Roll Forward]</link:label>
    <link:label id="lab_cls_NumberOfSharesOutstandingRollForward_label_en-US" xlink:label="lab_cls_NumberOfSharesOutstandingRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Shares Outstanding [Roll Forward]</link:label>
    <link:label id="lab_cls_NumberOfSharesOutstandingRollForward_documentation_en-US" xlink:label="lab_cls_NumberOfSharesOutstandingRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Shares Outstanding [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NumberOfSharesOutstandingRollForward" xlink:href="cls-20221231.xsd#cls_NumberOfSharesOutstandingRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NumberOfSharesOutstandingRollForward" xlink:to="lab_cls_NumberOfSharesOutstandingRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DefinedBenefitObligationAtPresentValue_c8a276b0-e934-43be-998f-c17682b8876b_negatedLabel_en-US" xlink:label="lab_ifrs-full_DefinedBenefitObligationAtPresentValue" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrued benefit obligations, end of year</link:label>
    <link:label id="lab_ifrs-full_DefinedBenefitObligationAtPresentValue_label_en-US" xlink:label="lab_ifrs-full_DefinedBenefitObligationAtPresentValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined benefit obligation, at present value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DefinedBenefitObligationAtPresentValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DefinedBenefitObligationAtPresentValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DefinedBenefitObligationAtPresentValue" xlink:to="lab_ifrs-full_DefinedBenefitObligationAtPresentValue" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CapitalSharesReservedforFutureIssuance_8aab5aef-1073-41a3-9ad8-6231d7d79318_terseLabel_en-US" xlink:label="lab_cls_CapitalSharesReservedforFutureIssuance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Shares remaining in reserve for issuance (in shares)</link:label>
    <link:label id="lab_cls_CapitalSharesReservedforFutureIssuance_label_en-US" xlink:label="lab_cls_CapitalSharesReservedforFutureIssuance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital Shares Reserved for Future Issuance</link:label>
    <link:label id="lab_cls_CapitalSharesReservedforFutureIssuance_documentation_en-US" xlink:label="lab_cls_CapitalSharesReservedforFutureIssuance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital Shares Reserved for Future Issuance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CapitalSharesReservedforFutureIssuance" xlink:href="cls-20221231.xsd#cls_CapitalSharesReservedforFutureIssuance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CapitalSharesReservedforFutureIssuance" xlink:to="lab_cls_CapitalSharesReservedforFutureIssuance" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLoss_a4dc63ef-8464-441e-bbc0-cca55024fbb5_terseLabel_en-US" xlink:label="lab_ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reversal of impairment loss recognised in profit or loss</link:label>
    <link:label id="lab_ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reversal of impairment loss recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_fc672df0-4f0d-44bb-88cc-27eb8dc2d9de_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of awards (in millions) (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of other equity instruments granted in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:to="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract_6eee3f61-8578-4a3e-9fbd-708a2870b1fc_verboseLabel_en-US" xlink:label="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income tax expense (recovery)</link:label>
    <link:label id="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract_a115f01e-d42b-4b13-887c-043484025936_terseLabel_en-US" xlink:label="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Analysis of income and expense [abstract]</link:label>
    <link:label id="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Analysis of income and expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AnalysisOfIncomeAndExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:to="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_4c62db9a-5932-46cc-9ec3-4824a0011913_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue</link:label>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_5387d322-79d6-4fdd-ad41-f24ebfc2f8a4_verboseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue</link:label>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_label_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue from contracts with customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RevenueFromContractsWithCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:to="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember_863b856d-ebc4-4eeb-9edc-f9433fe6d9e1_terseLabel_en-US" xlink:label="lab_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity's total for segment consolidation items</link:label>
    <link:label id="lab_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember_label_en-US" xlink:label="lab_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity's total for segment consolidation items [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSegmentConsolidationItemsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:to="lab_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember_099a4334-e043-4d76-884d-1202e6fd892c_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Discount rate</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial assumption of discount rates [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ActuarialAssumptionOfDiscountRatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:to="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory_86750e17-fc78-42d5-ac26-890dbd6ead3e_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivatives and hedge accounting</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for derivative financial instruments and hedging [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromExerciseOfOptions_0700e2a2-e76f-4baa-a707-7423206f8d46_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from exercise of options</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromExerciseOfOptions_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from exercise of options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromExerciseOfOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromExerciseOfOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromExerciseOfOptions" xlink:to="lab_ifrs-full_ProceedsFromExerciseOfOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LineofCreditFacilityCommitmentFeePercentage1_5e18afc1-0815-423f-ae8c-60feeb85b507_terseLabel_en-US" xlink:label="lab_cls_LineofCreditFacilityCommitmentFeePercentage1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commitment fees (percent)</link:label>
    <link:label id="lab_cls_LineofCreditFacilityCommitmentFeePercentage1_label_en-US" xlink:label="lab_cls_LineofCreditFacilityCommitmentFeePercentage1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Commitment Fee Percentage1</link:label>
    <link:label id="lab_cls_LineofCreditFacilityCommitmentFeePercentage1_documentation_en-US" xlink:label="lab_cls_LineofCreditFacilityCommitmentFeePercentage1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Commitment Fee Percentage1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LineofCreditFacilityCommitmentFeePercentage1" xlink:href="cls-20221231.xsd#cls_LineofCreditFacilityCommitmentFeePercentage1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LineofCreditFacilityCommitmentFeePercentage1" xlink:to="lab_cls_LineofCreditFacilityCommitmentFeePercentage1" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CapitalEquipmentCGUMember_b2ed5e98-7421-45fb-a65e-9a2cbc159184_terseLabel_en-US" xlink:label="lab_cls_CapitalEquipmentCGUMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital Equipment CGU</link:label>
    <link:label id="lab_cls_CapitalEquipmentCGUMember_label_en-US" xlink:label="lab_cls_CapitalEquipmentCGUMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital Equipment CGU [Member]</link:label>
    <link:label id="lab_cls_CapitalEquipmentCGUMember_documentation_en-US" xlink:label="lab_cls_CapitalEquipmentCGUMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital Equipment CGU [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CapitalEquipmentCGUMember" xlink:href="cls-20221231.xsd#cls_CapitalEquipmentCGUMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CapitalEquipmentCGUMember" xlink:to="lab_cls_CapitalEquipmentCGUMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_0070c113-bb81-4f67-bc02-fbe081719ac3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections_5b085859-e9d7-4eee-a596-cdbb146062e1_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Growth rate used to extrapolate cash flow projections (percentage)</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections_fb8c1aae-82c0-4214-983f-5c694fc4d421_verboseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Annual revenue growth rate (percentage)</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Growth rate used to extrapolate cash flow projections</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:to="lab_ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PlanAssetsMember_4c0428ff-2942-4245-bb6c-6fa51f171d3c_terseLabel_en-US" xlink:label="lab_ifrs-full_PlanAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan assets</link:label>
    <link:label id="lab_ifrs-full_PlanAssetsMember_label_en-US" xlink:label="lab_ifrs-full_PlanAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PlanAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PlanAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PlanAssetsMember" xlink:to="lab_ifrs-full_PlanAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ReclassificationAdjustmentsOnGainLossOnDefinedBenefitPlanRecognizedInOtherComprehensiveIncomeNetOfTax_63853925-6e65-4537-a896-2115fa1d7c34_terseLabel_en-US" xlink:label="lab_cls_ReclassificationAdjustmentsOnGainLossOnDefinedBenefitPlanRecognizedInOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification of actuarial losses (gains) to deficit</link:label>
    <link:label id="lab_cls_ReclassificationAdjustmentsOnGainLossOnDefinedBenefitPlanRecognizedInOtherComprehensiveIncomeNetOfTax_label_en-US" xlink:label="lab_cls_ReclassificationAdjustmentsOnGainLossOnDefinedBenefitPlanRecognizedInOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification Adjustments On Gain (Loss) On Defined Benefit Plan Recognized In Other Comprehensive Income, Net Of Tax</link:label>
    <link:label id="lab_cls_ReclassificationAdjustmentsOnGainLossOnDefinedBenefitPlanRecognizedInOtherComprehensiveIncomeNetOfTax_documentation_en-US" xlink:label="lab_cls_ReclassificationAdjustmentsOnGainLossOnDefinedBenefitPlanRecognizedInOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification Adjustments On Gain (Loss) On Defined Benefit Plan Recognized In Other Comprehensive Income, Net Of Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ReclassificationAdjustmentsOnGainLossOnDefinedBenefitPlanRecognizedInOtherComprehensiveIncomeNetOfTax" xlink:href="cls-20221231.xsd#cls_ReclassificationAdjustmentsOnGainLossOnDefinedBenefitPlanRecognizedInOtherComprehensiveIncomeNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ReclassificationAdjustmentsOnGainLossOnDefinedBenefitPlanRecognizedInOtherComprehensiveIncomeNetOfTax" xlink:to="lab_cls_ReclassificationAdjustmentsOnGainLossOnDefinedBenefitPlanRecognizedInOtherComprehensiveIncomeNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_dc928dd5-be2e-4e90-85e1-aa313b76750a_terseLabel_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Interactive Data Current</link:label>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_label_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Interactive Data Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent" xlink:to="lab_dei_EntityInteractiveDataCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_c8bc7be7-b2f9-4ed9-889c-13dd76528299_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Related Party Transactions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of transactions between related parties [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory_11f28508-4573-40ff-9cc0-a35b761750b2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Non-Current Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of other non-current assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SBCASPPMember_bd2689e9-ad94-46a2-80b7-fab4e96d8b0e_terseLabel_en-US" xlink:label="lab_cls_SBCASPPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">SBC ASPP</link:label>
    <link:label id="lab_cls_SBCASPPMember_label_en-US" xlink:label="lab_cls_SBCASPPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">SBC ASPP [Member]</link:label>
    <link:label id="lab_cls_SBCASPPMember_documentation_en-US" xlink:label="lab_cls_SBCASPPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">SBC ASPP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SBCASPPMember" xlink:href="cls-20221231.xsd#cls_SBCASPPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SBCASPPMember" xlink:to="lab_cls_SBCASPPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_64bf40fd-b315-4a10-be04-e9ccb632023b_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments for depreciation and amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_0e77281e-b008-4db9-964d-1d2b0214179b_totalLabel_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total expense for the year</link:label>
    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_label_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee benefits expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EmployeeBenefitsExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EmployeeBenefitsExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EmployeeBenefitsExpense" xlink:to="lab_ifrs-full_EmployeeBenefitsExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NumberOfVotesPerShare_35c9e85c-996c-450e-be52-4fd24c82958f_terseLabel_en-US" xlink:label="lab_cls_NumberOfVotesPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Subordinate voting shares, number of votes per share</link:label>
    <link:label id="lab_cls_NumberOfVotesPerShare_label_en-US" xlink:label="lab_cls_NumberOfVotesPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Votes Per Share</link:label>
    <link:label id="lab_cls_NumberOfVotesPerShare_documentation_en-US" xlink:label="lab_cls_NumberOfVotesPerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of Votes Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NumberOfVotesPerShare" xlink:href="cls-20221231.xsd#cls_NumberOfVotesPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NumberOfVotesPerShare" xlink:to="lab_cls_NumberOfVotesPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgedItemLiabilities_7d8d1ee3-63bb-45b2-9e1a-a8c5603bca71_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgedItemLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedged item, liabilities</link:label>
    <link:label id="lab_ifrs-full_HedgedItemLiabilities_label_en-US" xlink:label="lab_ifrs-full_HedgedItemLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedged item, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgedItemLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_HedgedItemLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgedItemLiabilities" xlink:to="lab_ifrs-full_HedgedItemLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_1748a919-af26-467b-a366-14a3bb4f57a4_totalLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total comprehensive income</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Comprehensive income, attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_26cdd225-05c8-4378-9ccc-8090602056eb_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Foreign currency forwards and swaps</link:label>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_label_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Currency risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrencyRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrencyRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrencyRiskMember" xlink:to="lab_ifrs-full_CurrencyRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_BusinessContactMember_889800c6-db25-46ff-bd1c-3e63e26544eb_terseLabel_en-US" xlink:label="lab_dei_BusinessContactMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business Contact</link:label>
    <link:label id="lab_dei_BusinessContactMember_label_en-US" xlink:label="lab_dei_BusinessContactMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business Contact [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_BusinessContactMember" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_BusinessContactMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_BusinessContactMember" xlink:to="lab_dei_BusinessContactMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_a32cf36f-0f02-44a6-abde-87b32b0f7537_verboseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee SBC expense</link:label>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_e76a16ff-e2e5-4be5-b6c5-6d68ed9bc6cd_netLabel_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Director SBC expense in SG&amp;A</link:label>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_e4da353f-572f-4029-9b41-4157818c7d7e_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">SBC expense included in above employee-related costs</link:label>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_label_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expense from share-based payment transactions with employees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:to="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_00f0ac7b-5a40-41b1-87f1-29cdd77b8af7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of classes of share capital [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of classes of share capital [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAuthorized1_696fde3a-b817-434c-a475-a47d44193bf9_terseLabel_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAuthorized1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares authorized (in shares)</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAuthorized1_label_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAuthorized1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized1</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAuthorized1_documentation_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAuthorized1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAuthorized1" xlink:href="cls-20221231.xsd#cls_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAuthorized1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAuthorized1" xlink:to="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAuthorized1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_502eba3f-364e-4531-8dba-8d63d680da78_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2027</link:label>
    <link:label id="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Later than four years and not later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CashAndCashEquivalentsPeriodIncreaseDecreaseRollForward_c9cfa0fd-fac5-4468-a0b0-988848fb2a22_terseLabel_en-US" xlink:label="lab_cls_CashAndCashEquivalentsPeriodIncreaseDecreaseRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash And Cash Equivalents, Period Increase (Decrease) [Roll Forward]</link:label>
    <link:label id="lab_cls_CashAndCashEquivalentsPeriodIncreaseDecreaseRollForward_label_en-US" xlink:label="lab_cls_CashAndCashEquivalentsPeriodIncreaseDecreaseRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash And Cash Equivalents, Period Increase (Decrease) [Roll Forward]</link:label>
    <link:label id="lab_cls_CashAndCashEquivalentsPeriodIncreaseDecreaseRollForward_documentation_en-US" xlink:label="lab_cls_CashAndCashEquivalentsPeriodIncreaseDecreaseRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash And Cash Equivalents, Period Increase (Decrease) [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CashAndCashEquivalentsPeriodIncreaseDecreaseRollForward" xlink:href="cls-20221231.xsd#cls_CashAndCashEquivalentsPeriodIncreaseDecreaseRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CashAndCashEquivalentsPeriodIncreaseDecreaseRollForward" xlink:to="lab_cls_CashAndCashEquivalentsPeriodIncreaseDecreaseRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharebasedCompensationArrangementBySharebasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsPaidInFormOfAwards_ecb4d6ca-06b4-45b3-a635-3be691c00667_terseLabel_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementBySharebasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsPaidInFormOfAwards" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of annual fees paid to Board of Directors paid in form of awards (percent)</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementBySharebasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsPaidInFormOfAwards_label_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementBySharebasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsPaidInFormOfAwards" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement By Share-based Payment Award, Percentage Of Annual Fees Paid To Board Of Directors Paid In Form Of Awards</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementBySharebasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsPaidInFormOfAwards_documentation_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementBySharebasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsPaidInFormOfAwards" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement By Share-based Payment Award, Percentage Of Annual Fees Paid To Board Of Directors Paid In Form Of Awards</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharebasedCompensationArrangementBySharebasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsPaidInFormOfAwards" xlink:href="cls-20221231.xsd#cls_SharebasedCompensationArrangementBySharebasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsPaidInFormOfAwards"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharebasedCompensationArrangementBySharebasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsPaidInFormOfAwards" xlink:to="lab_cls_SharebasedCompensationArrangementBySharebasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsPaidInFormOfAwards" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems_f9eb7d69-5726-45bc-aa66-dbc575d36193_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of range of exercise prices of outstanding share options [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of range of exercise prices of outstanding share options [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems" xlink:to="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_a1a0e37f-b9db-42b6-8575-79efe8d0538d_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income tax expense at Celestica&#8217;s statutory income tax rate of 26.5% (2020 to 2022)</link:label>
    <link:label id="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_label_en-US" xlink:label="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax expense (income) at applicable tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TaxExpenseIncomeAtApplicableTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:to="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination_81f1f0cd-9de0-4cd0-92f3-06231702d21f_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Costs related to acquisition activities</link:label>
    <link:label id="lab_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination_label_en-US" xlink:label="lab_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisition-related costs recognised as expense for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:to="lab_ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ReconciliationOfChangesInDeferredTaxAssetRollForward_93dab8e6-6ece-4db4-98e5-7a4d1edf9e5b_terseLabel_en-US" xlink:label="lab_cls_ReconciliationOfChangesInDeferredTaxAssetRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation of changes in deferred tax liability (asset) [abstract]</link:label>
    <link:label id="lab_cls_ReconciliationOfChangesInDeferredTaxAssetRollForward_label_en-US" xlink:label="lab_cls_ReconciliationOfChangesInDeferredTaxAssetRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation Of Changes In Deferred Tax Asset [Roll Forward]</link:label>
    <link:label id="lab_cls_ReconciliationOfChangesInDeferredTaxAssetRollForward_documentation_en-US" xlink:label="lab_cls_ReconciliationOfChangesInDeferredTaxAssetRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation Of Changes In Deferred Tax Asset [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ReconciliationOfChangesInDeferredTaxAssetRollForward" xlink:href="cls-20221231.xsd#cls_ReconciliationOfChangesInDeferredTaxAssetRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ReconciliationOfChangesInDeferredTaxAssetRollForward" xlink:to="lab_cls_ReconciliationOfChangesInDeferredTaxAssetRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesCurrent_e62e7df2-94e9-49d3-80b8-44da6cc425e7_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income taxes payable</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesCurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current tax liabilities, current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTaxLiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:to="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ScenarioUnspecifiedDomain_05a9776c-1300-4317-8ada-29fbceb7a1d2_terseLabel_en-US" xlink:label="lab_srt_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Scenario [Domain]</link:label>
    <link:label id="lab_srt_ScenarioUnspecifiedDomain_label_en-US" xlink:label="lab_srt_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Scenario [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScenarioUnspecifiedDomain" xlink:to="lab_srt_ScenarioUnspecifiedDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OperatingLeaseMember_531bd4db-44d8-4614-8aad-ae4322e5aabf_terseLabel_en-US" xlink:label="lab_cls_OperatingLeaseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating Lease</link:label>
    <link:label id="lab_cls_OperatingLeaseMember_label_en-US" xlink:label="lab_cls_OperatingLeaseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating Lease [Member]</link:label>
    <link:label id="lab_cls_OperatingLeaseMember_documentation_en-US" xlink:label="lab_cls_OperatingLeaseMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating Lease</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OperatingLeaseMember" xlink:href="cls-20221231.xsd#cls_OperatingLeaseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OperatingLeaseMember" xlink:to="lab_cls_OperatingLeaseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_1b427460-24f2-400f-9b53-12ee54160b90_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenues by Reportable Segment</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate1_23db75ae-af7e-4691-b9a7-8368dc1d1ac6_terseLabel_en-US" xlink:label="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net pension cost</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate1_label_en-US" xlink:label="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate1</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate1_documentation_en-US" xlink:label="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate1" xlink:href="cls-20221231.xsd#cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate1" xlink:to="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate1" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalYearFocus_bc19639a-53f9-4b97-a9a4-c365c038b723_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalYearFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus" xlink:to="lab_dei_DocumentFiscalYearFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ReductionInSalesGeneralAndAdministrativeExpenseGovernmentSubsidiesCOVID19_646c2e35-c9a2-4d51-b990-7e714e3d56fd_terseLabel_en-US" xlink:label="lab_cls_ReductionInSalesGeneralAndAdministrativeExpenseGovernmentSubsidiesCOVID19" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reduction in SG&amp;A</link:label>
    <link:label id="lab_cls_ReductionInSalesGeneralAndAdministrativeExpenseGovernmentSubsidiesCOVID19_label_en-US" xlink:label="lab_cls_ReductionInSalesGeneralAndAdministrativeExpenseGovernmentSubsidiesCOVID19" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reduction In Sales, General And Administrative Expense, Government Subsidies, COVID-19</link:label>
    <link:label id="lab_cls_ReductionInSalesGeneralAndAdministrativeExpenseGovernmentSubsidiesCOVID19_documentation_en-US" xlink:label="lab_cls_ReductionInSalesGeneralAndAdministrativeExpenseGovernmentSubsidiesCOVID19" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reduction In Sales, General And Administrative Expense, Government Subsidies, COVID-19</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ReductionInSalesGeneralAndAdministrativeExpenseGovernmentSubsidiesCOVID19" xlink:href="cls-20221231.xsd#cls_ReductionInSalesGeneralAndAdministrativeExpenseGovernmentSubsidiesCOVID19"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ReductionInSalesGeneralAndAdministrativeExpenseGovernmentSubsidiesCOVID19" xlink:to="lab_cls_ReductionInSalesGeneralAndAdministrativeExpenseGovernmentSubsidiesCOVID19" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_aa346884-58c4-488e-b7ee-f673483d53ee_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net income tax paid</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income taxes paid (refund), classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_e43f3418-6b6e-4e7b-80e0-456c53969140_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income taxes</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for income tax [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_df444964-bbdf-4e80-8abe-6e1457d8f72c_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2026</link:label>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Later than three years and not later than four years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:to="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_33ab3ae9-71ed-42ab-88af-326fb3deb928_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital stock</link:label>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_label_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Issued capital [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapitalMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IssuedCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapitalMember" xlink:to="lab_ifrs-full_IssuedCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_b95d23e7-0c16-48af-828f-d94348eef80f_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings before income taxes</link:label>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_label_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Profit (loss) before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossBeforeTax" xlink:to="lab_ifrs-full_ProfitLossBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MajorCustomersMember_4fbb6f7d-b7ac-46ce-82e5-e895e3c7f346_terseLabel_en-US" xlink:label="lab_ifrs-full_MajorCustomersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customers</link:label>
    <link:label id="lab_ifrs-full_MajorCustomersMember_label_en-US" xlink:label="lab_ifrs-full_MajorCustomersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customers [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MajorCustomersMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MajorCustomersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MajorCustomersMember" xlink:to="lab_ifrs-full_MajorCustomersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PercentageOfEntitysRevenue_98fac5cf-bd59-4f63-8b49-d58dd253eacc_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfEntitysRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of entity's revenue (percent)</link:label>
    <link:label id="lab_ifrs-full_PercentageOfEntitysRevenue_label_en-US" xlink:label="lab_ifrs-full_PercentageOfEntitysRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of entity's revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfEntitysRevenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PercentageOfEntitysRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfEntitysRevenue" xlink:to="lab_ifrs-full_PercentageOfEntitysRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_CAD_5fec25d4-93be-44b3-bcb4-30ac421c9f52_terseLabel_en-US" xlink:label="lab_currency_CAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Canadian dollar</link:label>
    <link:label id="lab_currency_CAD_label_en-US" xlink:label="lab_currency_CAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Canada, Dollars</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_CAD" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_CAD"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_CAD" xlink:to="lab_currency_CAD" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ReconciliationOfChangesInDeferredTaxLiabilityRollForward_9026b4e0-154f-4422-91f4-e1a2dc68685c_terseLabel_en-US" xlink:label="lab_cls_ReconciliationOfChangesInDeferredTaxLiabilityRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation of changes in deferred tax liability [Roll Forward]</link:label>
    <link:label id="lab_cls_ReconciliationOfChangesInDeferredTaxLiabilityRollForward_label_en-US" xlink:label="lab_cls_ReconciliationOfChangesInDeferredTaxLiabilityRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation Of Changes In Deferred Tax Liability [Roll Forward]</link:label>
    <link:label id="lab_cls_ReconciliationOfChangesInDeferredTaxLiabilityRollForward_documentation_en-US" xlink:label="lab_cls_ReconciliationOfChangesInDeferredTaxLiabilityRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation Of Changes In Deferred Tax Liability [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ReconciliationOfChangesInDeferredTaxLiabilityRollForward" xlink:href="cls-20221231.xsd#cls_ReconciliationOfChangesInDeferredTaxLiabilityRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ReconciliationOfChangesInDeferredTaxLiabilityRollForward" xlink:to="lab_cls_ReconciliationOfChangesInDeferredTaxLiabilityRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_27adbaae-d28c-4014-88c4-5b90125bdd9a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_EquityInstrumentsOtherThanOptionsMeasurementInputsTableTextBlock_9c97a820-d78d-439e-8034-a18208cc380a_terseLabel_en-US" xlink:label="lab_cls_EquityInstrumentsOtherThanOptionsMeasurementInputsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity Instruments Other than Options, Measurement Inputs</link:label>
    <link:label id="lab_cls_EquityInstrumentsOtherThanOptionsMeasurementInputsTableTextBlock_label_en-US" xlink:label="lab_cls_EquityInstrumentsOtherThanOptionsMeasurementInputsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity Instruments Other Than Options, Measurement Inputs [Table Text Block]</link:label>
    <link:label id="lab_cls_EquityInstrumentsOtherThanOptionsMeasurementInputsTableTextBlock_documentation_en-US" xlink:label="lab_cls_EquityInstrumentsOtherThanOptionsMeasurementInputsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity Instruments Other Than Options, Measurement Inputs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_EquityInstrumentsOtherThanOptionsMeasurementInputsTableTextBlock" xlink:href="cls-20221231.xsd#cls_EquityInstrumentsOtherThanOptionsMeasurementInputsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_EquityInstrumentsOtherThanOptionsMeasurementInputsTableTextBlock" xlink:to="lab_cls_EquityInstrumentsOtherThanOptionsMeasurementInputsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_4b512047-9755-4bcd-844a-e8796798158d_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net earnings</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_73a5f890-a6e8-4f0f-9e6a-dafbe30c5c09_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net earnings</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Profit (loss), attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_InsuranceRecoveriesReceivable_6afb1df3-3821-4302-853d-6591596c39b7_terseLabel_en-US" xlink:label="lab_cls_InsuranceRecoveriesReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Estimated insurance recovery receivable</link:label>
    <link:label id="lab_cls_InsuranceRecoveriesReceivable_label_en-US" xlink:label="lab_cls_InsuranceRecoveriesReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Insurance Recoveries Receivable</link:label>
    <link:label id="lab_cls_InsuranceRecoveriesReceivable_documentation_en-US" xlink:label="lab_cls_InsuranceRecoveriesReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Insurance Recoveries Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_InsuranceRecoveriesReceivable" xlink:href="cls-20221231.xsd#cls_InsuranceRecoveriesReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_InsuranceRecoveriesReceivable" xlink:to="lab_cls_InsuranceRecoveriesReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LesseeLeasesDescriptionLineItems_b702a13d-11f0-416c-8f37-5e686e52dfc9_terseLabel_en-US" xlink:label="lab_cls_LesseeLeasesDescriptionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lessee, Leases, Description [Line Items]</link:label>
    <link:label id="lab_cls_LesseeLeasesDescriptionLineItems_label_en-US" xlink:label="lab_cls_LesseeLeasesDescriptionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lessee, Leases, Description [Line Items]</link:label>
    <link:label id="lab_cls_LesseeLeasesDescriptionLineItems_documentation_en-US" xlink:label="lab_cls_LesseeLeasesDescriptionLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Line Items] for Lessee, Leases, Description [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LesseeLeasesDescriptionLineItems" xlink:href="cls-20221231.xsd#cls_LesseeLeasesDescriptionLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LesseeLeasesDescriptionLineItems" xlink:to="lab_cls_LesseeLeasesDescriptionLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods_c0805357-66b5-4af7-8e0c-c4d2fca0aee3_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Changes in previously unrecognized tax losses and deductible temporary differences, including adjustments for prior years</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments for deferred tax of prior periods</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods" xlink:to="lab_ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfRemeasurementsOfDefinedBenefitPlansMember_048f8a5b-a646-4eed-9e35-4833614020a0_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfRemeasurementsOfDefinedBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pension and non-pension post-employment benefit plans</link:label>
    <link:label id="lab_ifrs-full_ReserveOfRemeasurementsOfDefinedBenefitPlansMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfRemeasurementsOfDefinedBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reserve of remeasurements of defined benefit plans [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfRemeasurementsOfDefinedBenefitPlansMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReserveOfRemeasurementsOfDefinedBenefitPlansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfRemeasurementsOfDefinedBenefitPlansMember" xlink:to="lab_ifrs-full_ReserveOfRemeasurementsOfDefinedBenefitPlansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems_62e7a966-415d-428d-9600-7cfe09bbbab1_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets:</link:label>
    <link:label id="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems_label_en-US" xlink:label="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]</link:label>
    <link:label id="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems_documentation_en-US" xlink:label="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Fair Value Measurement Of Assets And Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems" xlink:href="cls-20221231.xsd#cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems" xlink:to="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_3f1ff1de-2b4a-4e19-ae7d-aa5ff0bf8b18_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business combinations</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for business combinations [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_7e3b1c8a-0adf-41d2-8d2b-1fce06452032_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_StatementOfChangesInEquityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_4b9318ee-6fca-4310-aae4-5bebcbeb914d_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for determining components of cash and cash equivalents [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentsAxis_be29b4b0-6ad7-4802-80ce-e731ad4047b5_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segments [axis]</link:label>
    <link:label id="lab_ifrs-full_SegmentsAxis_label_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsAxis" xlink:to="lab_ifrs-full_SegmentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis_562a0cf0-6562-4a34-905b-427de58a21ff_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of contingent liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of contingent liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfContingentLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeductibleTemporaryDifferencesAndUnusedTaxLossesMember_07f0c102-4d87-47cf-8ad1-746231e438d3_terseLabel_en-US" xlink:label="lab_cls_DeductibleTemporaryDifferencesAndUnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deductible temporary differences and unused tax losses</link:label>
    <link:label id="lab_cls_DeductibleTemporaryDifferencesAndUnusedTaxLossesMember_label_en-US" xlink:label="lab_cls_DeductibleTemporaryDifferencesAndUnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deductible temporary differences and unused tax losses [Member]</link:label>
    <link:label id="lab_cls_DeductibleTemporaryDifferencesAndUnusedTaxLossesMember_documentation_en-US" xlink:label="lab_cls_DeductibleTemporaryDifferencesAndUnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deductible temporary differences and unused tax losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeductibleTemporaryDifferencesAndUnusedTaxLossesMember" xlink:href="cls-20221231.xsd#cls_DeductibleTemporaryDifferencesAndUnusedTaxLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeductibleTemporaryDifferencesAndUnusedTaxLossesMember" xlink:to="lab_cls_DeductibleTemporaryDifferencesAndUnusedTaxLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory_53354298-e699-4a47-9ae6-6d7c588266e2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital Disclosures</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of objectives, policies and processes for managing capital [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:to="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable_9d9dd4cb-bc4d-4371-b684-e35584a0698a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of analysis of other comprehensive income by item [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of analysis of other comprehensive income by item [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable" xlink:to="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EntitysTotalForRelatedPartiesMember_31273a4e-a769-4e69-bcba-701b92de4a96_terseLabel_en-US" xlink:label="lab_ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity's total for related parties</link:label>
    <link:label id="lab_ifrs-full_EntitysTotalForRelatedPartiesMember_label_en-US" xlink:label="lab_ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity's total for related parties [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="lab_ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxEffectFromChangeInTaxRate_c4a6bd0d-408d-4a2e-9e55-07f1fc942576_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxEffectFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Change in tax rates</link:label>
    <link:label id="lab_ifrs-full_TaxEffectFromChangeInTaxRate_label_en-US" xlink:label="lab_ifrs-full_TaxEffectFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax effect from change in tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxEffectFromChangeInTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TaxEffectFromChangeInTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectFromChangeInTaxRate" xlink:to="lab_ifrs-full_TaxEffectFromChangeInTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_KRW_04329d3b-4975-48a0-b120-fd837e7c7ea5_terseLabel_en-US" xlink:label="lab_currency_KRW" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Korean won</link:label>
    <link:label id="lab_currency_KRW_label_en-US" xlink:label="lab_currency_KRW" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Korea (South), Won</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_KRW" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_KRW"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_KRW" xlink:to="lab_currency_KRW" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentInformationTable_0c48282c-9f02-40fd-8588-52b692d92262_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Information [Table]</link:label>
    <link:label id="lab_dei_DocumentInformationTable_label_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Information [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentInformationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationTable" xlink:to="lab_dei_DocumentInformationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_110df602-eb3c-4dca-b477-2279b4f90a0f_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financing activities:</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash flows from (used in) financing activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_7d70df38-2946-49e7-ba08-3384d2754ed7_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Types of interest rates [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Types of interest rates [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfInterestRatesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:to="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ExpectedVolatilityOtherEquityInstrumentsGranted_df444417-aacb-4f93-8693-11ebefa589fa_terseLabel_en-US" xlink:label="lab_cls_ExpectedVolatilityOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expected volatility</link:label>
    <link:label id="lab_cls_ExpectedVolatilityOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_cls_ExpectedVolatilityOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expected Volatility, Other Equity Instruments Granted</link:label>
    <link:label id="lab_cls_ExpectedVolatilityOtherEquityInstrumentsGranted_documentation_en-US" xlink:label="lab_cls_ExpectedVolatilityOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expected Volatility, Other Equity Instruments Granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ExpectedVolatilityOtherEquityInstrumentsGranted" xlink:href="cls-20221231.xsd#cls_ExpectedVolatilityOtherEquityInstrumentsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ExpectedVolatilityOtherEquityInstrumentsGranted" xlink:to="lab_cls_ExpectedVolatilityOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_5a4511db-abba-4311-9111-576d9489fccf_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Changes In Deferred Tax Assets And Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:to="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TaxRateEffectOfRevaluationImpact_cc1f7b72-b699-478c-9b55-69905af4c3c5_terseLabel_en-US" xlink:label="lab_cls_TaxRateEffectOfRevaluationImpact" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax rate effect of revaluation impact</link:label>
    <link:label id="lab_cls_TaxRateEffectOfRevaluationImpact_label_en-US" xlink:label="lab_cls_TaxRateEffectOfRevaluationImpact" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Rate Effect Of Revaluation Impact</link:label>
    <link:label id="lab_cls_TaxRateEffectOfRevaluationImpact_documentation_en-US" xlink:label="lab_cls_TaxRateEffectOfRevaluationImpact" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Rate Effect Of Revaluation Impact</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TaxRateEffectOfRevaluationImpact" xlink:href="cls-20221231.xsd#cls_TaxRateEffectOfRevaluationImpact"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TaxRateEffectOfRevaluationImpact" xlink:to="lab_cls_TaxRateEffectOfRevaluationImpact" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RevolvingFacilityDueMarch282025Member_57ac6d3b-0bb2-4a20-bc9b-47e485165ca6_terseLabel_en-US" xlink:label="lab_cls_RevolvingFacilityDueMarch282025Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Facility Due March 28, 2025</link:label>
    <link:label id="lab_cls_RevolvingFacilityDueMarch282025Member_label_en-US" xlink:label="lab_cls_RevolvingFacilityDueMarch282025Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Facility Due March 28, 2025 [Member]</link:label>
    <link:label id="lab_cls_RevolvingFacilityDueMarch282025Member_documentation_en-US" xlink:label="lab_cls_RevolvingFacilityDueMarch282025Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Facility Due March 28, 2025</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RevolvingFacilityDueMarch282025Member" xlink:href="cls-20221231.xsd#cls_RevolvingFacilityDueMarch282025Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RevolvingFacilityDueMarch282025Member" xlink:to="lab_cls_RevolvingFacilityDueMarch282025Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_652b6bf1-ed3d-4017-9285-f1ff1918c6a9_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfRisksAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksAxis" xlink:to="lab_ifrs-full_TypesOfRisksAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_SegmentGeographicalDomain_00b4f931-a742-4194-88ed-891473ac6fac_terseLabel_en-US" xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:label id="lab_srt_SegmentGeographicalDomain_label_en-US" xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_SegmentGeographicalDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_SegmentGeographicalDomain" xlink:to="lab_srt_SegmentGeographicalDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_GovernmentSubsidiesAbstract_label_en-US" xlink:label="lab_cls_GovernmentSubsidiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Government Subsidies [Abstract]</link:label>
    <link:label id="lab_cls_GovernmentSubsidiesAbstract_documentation_en-US" xlink:label="lab_cls_GovernmentSubsidiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Government Subsidies [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_GovernmentSubsidiesAbstract" xlink:href="cls-20221231.xsd#cls_GovernmentSubsidiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_GovernmentSubsidiesAbstract" xlink:to="lab_cls_GovernmentSubsidiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TwoThousandTwentyOneNCIBMember_a3fceed8-bfaa-4214-a702-1830e16feee0_terseLabel_en-US" xlink:label="lab_cls_TwoThousandTwentyOneNCIBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2021 NCIB</link:label>
    <link:label id="lab_cls_TwoThousandTwentyOneNCIBMember_label_en-US" xlink:label="lab_cls_TwoThousandTwentyOneNCIBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Two Thousand Twenty One NCIB [Member]</link:label>
    <link:label id="lab_cls_TwoThousandTwentyOneNCIBMember_documentation_en-US" xlink:label="lab_cls_TwoThousandTwentyOneNCIBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Two Thousand Twenty One NCIB</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TwoThousandTwentyOneNCIBMember" xlink:href="cls-20221231.xsd#cls_TwoThousandTwentyOneNCIBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TwoThousandTwentyOneNCIBMember" xlink:to="lab_cls_TwoThousandTwentyOneNCIBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_UnusualOrExtraordinaryEventDomain_4aeb5e34-c7a2-49fa-b643-dfbe91763df2_terseLabel_en-US" xlink:label="lab_cls_UnusualOrExtraordinaryEventDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unusual or Extraordinary Event [Domain]</link:label>
    <link:label id="lab_cls_UnusualOrExtraordinaryEventDomain_label_en-US" xlink:label="lab_cls_UnusualOrExtraordinaryEventDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unusual or Extraordinary Event [Domain]</link:label>
    <link:label id="lab_cls_UnusualOrExtraordinaryEventDomain_documentation_en-US" xlink:label="lab_cls_UnusualOrExtraordinaryEventDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unusual or Extraordinary Event [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_UnusualOrExtraordinaryEventDomain" xlink:href="cls-20221231.xsd#cls_UnusualOrExtraordinaryEventDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_UnusualOrExtraordinaryEventDomain" xlink:to="lab_cls_UnusualOrExtraordinaryEventDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_11bed602-600d-4469-a897-db24e548b90a_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amount repaid</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_afd2320f-28d2-4c65-a0ac-c7693b4a513a_verboseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Repayments of borrowings</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Repayments of borrowings, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxIncentiveNumberOfIncentives_b0423f8b-35b0-45e6-895d-752737e6eaed_terseLabel_en-US" xlink:label="lab_cls_IncomeTaxIncentiveNumberOfIncentives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of income tax incentives</link:label>
    <link:label id="lab_cls_IncomeTaxIncentiveNumberOfIncentives_label_en-US" xlink:label="lab_cls_IncomeTaxIncentiveNumberOfIncentives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Incentive, Number Of Incentives</link:label>
    <link:label id="lab_cls_IncomeTaxIncentiveNumberOfIncentives_documentation_en-US" xlink:label="lab_cls_IncomeTaxIncentiveNumberOfIncentives" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Incentive, Number Of Incentives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxIncentiveNumberOfIncentives" xlink:href="cls-20221231.xsd#cls_IncomeTaxIncentiveNumberOfIncentives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxIncentiveNumberOfIncentives" xlink:to="lab_cls_IncomeTaxIncentiveNumberOfIncentives" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_dcf3180d-6a76-4026-9156-fe7d54539dd8_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Types of share-based payment arrangements [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Types of share-based payment arrangements [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NumberofOperatingSegments1_1a438984-75b8-4be6-bbd4-48bc53332c1f_terseLabel_en-US" xlink:label="lab_cls_NumberofOperatingSegments1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of operating segments</link:label>
    <link:label id="lab_cls_NumberofOperatingSegments1_label_en-US" xlink:label="lab_cls_NumberofOperatingSegments1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of Operating Segments1</link:label>
    <link:label id="lab_cls_NumberofOperatingSegments1_documentation_en-US" xlink:label="lab_cls_NumberofOperatingSegments1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of Operating Segments1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NumberofOperatingSegments1" xlink:href="cls-20221231.xsd#cls_NumberofOperatingSegments1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NumberofOperatingSegments1" xlink:to="lab_cls_NumberofOperatingSegments1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_0ecb5856-6bd7-446e-8a8b-d3fe929c12d6_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additions other than through business combinations, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract_82aeee4e-c89f-4762-a3cd-ac909a575c2c_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current income tax expense:</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current tax expense (income) and adjustments for current tax of prior periods [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:to="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AdvancedTechnologySolutionsMember_23fb99d7-a3cd-408a-9891-bef82dd2f76a_verboseLabel_en-US" xlink:label="lab_cls_AdvancedTechnologySolutionsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Advanced Technology Solutions</link:label>
    <link:label id="lab_cls_AdvancedTechnologySolutionsMember_label_en-US" xlink:label="lab_cls_AdvancedTechnologySolutionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Advanced Technology Solutions [Member]</link:label>
    <link:label id="lab_cls_AdvancedTechnologySolutionsMember_documentation_en-US" xlink:label="lab_cls_AdvancedTechnologySolutionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Advanced Technology Solutions [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AdvancedTechnologySolutionsMember" xlink:href="cls-20221231.xsd#cls_AdvancedTechnologySolutionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AdvancedTechnologySolutionsMember" xlink:to="lab_cls_AdvancedTechnologySolutionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RestructuringandRelatedCosts1LineItems_999d8c78-0adc-4aa8-9c80-874dc088a0b1_terseLabel_en-US" xlink:label="lab_cls_RestructuringandRelatedCosts1LineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restructuring and Related Costs [Line Items]</link:label>
    <link:label id="lab_cls_RestructuringandRelatedCosts1LineItems_label_en-US" xlink:label="lab_cls_RestructuringandRelatedCosts1LineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restructuring and Related Costs1 [Line Items]</link:label>
    <link:label id="lab_cls_RestructuringandRelatedCosts1LineItems_documentation_en-US" xlink:label="lab_cls_RestructuringandRelatedCosts1LineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Line Items] for Restructuring and Related Costs1 [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RestructuringandRelatedCosts1LineItems" xlink:href="cls-20221231.xsd#cls_RestructuringandRelatedCosts1LineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RestructuringandRelatedCosts1LineItems" xlink:to="lab_cls_RestructuringandRelatedCosts1LineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsTable_582007f5-4326-4b56-a5e6-366d6fc1498f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about business combination [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about business combination [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="lab_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PlanName1Domain_24abb875-b1de-4d2d-a145-97a507126aa7_terseLabel_en-US" xlink:label="lab_cls_PlanName1Domain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan Name [Domain]</link:label>
    <link:label id="lab_cls_PlanName1Domain_label_en-US" xlink:label="lab_cls_PlanName1Domain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan Name1 [Domain]</link:label>
    <link:label id="lab_cls_PlanName1Domain_documentation_en-US" xlink:label="lab_cls_PlanName1Domain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Domain] for Plan Name [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PlanName1Domain" xlink:href="cls-20221231.xsd#cls_PlanName1Domain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PlanName1Domain" xlink:to="lab_cls_PlanName1Domain" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RevolvingFacilityDueJune2023Member_efb274be-2484-4868-b172-6bb00ebbedc2_terseLabel_en-US" xlink:label="lab_cls_RevolvingFacilityDueJune2023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolver</link:label>
    <link:label id="lab_cls_RevolvingFacilityDueJune2023Member_label_en-US" xlink:label="lab_cls_RevolvingFacilityDueJune2023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Facility Due June 2023 [Member]</link:label>
    <link:label id="lab_cls_RevolvingFacilityDueJune2023Member_documentation_en-US" xlink:label="lab_cls_RevolvingFacilityDueJune2023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Facility Due June 2023 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RevolvingFacilityDueJune2023Member" xlink:href="cls-20221231.xsd#cls_RevolvingFacilityDueJune2023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RevolvingFacilityDueJune2023Member" xlink:to="lab_cls_RevolvingFacilityDueJune2023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_b07dcc19-eace-4c7a-a169-0438f7fb4da6_verboseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impairment loss (reversal of impairment loss) recognised in profit or loss</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impairment loss (reversal of impairment loss) recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TermLoansMember_825a837e-79ee-4482-aefc-2195e751e564_terseLabel_en-US" xlink:label="lab_cls_TermLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Term Loans</link:label>
    <link:label id="lab_cls_TermLoansMember_label_en-US" xlink:label="lab_cls_TermLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Term Loans [Member]</link:label>
    <link:label id="lab_cls_TermLoansMember_documentation_en-US" xlink:label="lab_cls_TermLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Term Loans [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TermLoansMember" xlink:href="cls-20221231.xsd#cls_TermLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TermLoansMember" xlink:to="lab_cls_TermLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_7eb0270a-9bc6-44f4-880d-c0008ceb8c7f_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2025</link:label>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Later than two years and not later than three years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:to="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BusinessTransitionCostsRecoveries_62543370-69a5-4ef0-9e6c-afb51103d453_terseLabel_en-US" xlink:label="lab_cls_BusinessTransitionCostsRecoveries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business transition costs (recoveries)</link:label>
    <link:label id="lab_cls_BusinessTransitionCostsRecoveries_label_en-US" xlink:label="lab_cls_BusinessTransitionCostsRecoveries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business Transition Costs (Recoveries)</link:label>
    <link:label id="lab_cls_BusinessTransitionCostsRecoveries_documentation_en-US" xlink:label="lab_cls_BusinessTransitionCostsRecoveries" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business Transition Costs (Recoveries)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BusinessTransitionCostsRecoveries" xlink:href="cls-20221231.xsd#cls_BusinessTransitionCostsRecoveries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BusinessTransitionCostsRecoveries" xlink:to="lab_cls_BusinessTransitionCostsRecoveries" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities_49f9d74f-ff8b-439f-91fa-9189f8fcc977_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrued and other current liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current accrued expenses and other current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" xlink:to="lab_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PercentageOfPlanAssetsHeldWithFinancialInstitutionsWithARatingOfAOrAbove_cc25d56c-df16-4cc1-a1cf-d64db09d1cd9_terseLabel_en-US" xlink:label="lab_cls_PercentageOfPlanAssetsHeldWithFinancialInstitutionsWithARatingOfAOrAbove" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of plan assets held with financial institutions with a rating of A- or above</link:label>
    <link:label id="lab_cls_PercentageOfPlanAssetsHeldWithFinancialInstitutionsWithARatingOfAOrAbove_label_en-US" xlink:label="lab_cls_PercentageOfPlanAssetsHeldWithFinancialInstitutionsWithARatingOfAOrAbove" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage Of Plan Assets Held With Financial Institutions With A Rating Of A- Or Above</link:label>
    <link:label id="lab_cls_PercentageOfPlanAssetsHeldWithFinancialInstitutionsWithARatingOfAOrAbove_documentation_en-US" xlink:label="lab_cls_PercentageOfPlanAssetsHeldWithFinancialInstitutionsWithARatingOfAOrAbove" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage Of Plan Assets Held With Financial Institutions With A Rating Of A- Or Above</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PercentageOfPlanAssetsHeldWithFinancialInstitutionsWithARatingOfAOrAbove" xlink:href="cls-20221231.xsd#cls_PercentageOfPlanAssetsHeldWithFinancialInstitutionsWithARatingOfAOrAbove"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PercentageOfPlanAssetsHeldWithFinancialInstitutionsWithARatingOfAOrAbove" xlink:to="lab_cls_PercentageOfPlanAssetsHeldWithFinancialInstitutionsWithARatingOfAOrAbove" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable_af563ee7-4bda-4b70-a032-5b2e1ff7d66f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" xlink:to="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferLineItems_e36100c3-c8e7-465c-9727-20826c9ed8d4_terseLabel_en-US" xlink:label="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derecognition of Financial Assets by Type of Transfer [Line Items]</link:label>
    <link:label id="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferLineItems_label_en-US" xlink:label="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derecognition of Financial Assets by Type of Transfer [Line Items]</link:label>
    <link:label id="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferLineItems_documentation_en-US" xlink:label="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Line Items] for Derecognition of Financial Assets by Type of Transfer [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DerecognitionofFinancialAssetsbyTypeofTransferLineItems" xlink:href="cls-20221231.xsd#cls_DerecognitionofFinancialAssetsbyTypeofTransferLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DerecognitionofFinancialAssetsbyTypeofTransferLineItems" xlink:to="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_61fd9aea-6cdf-4678-b057-3414a1d318ae_periodStartLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average exercise price, beginning balance (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_91ff54e6-d098-487c-9e24-e03f152c4f3c_periodEndLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average exercise price, beginning balance (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_3d455758-3956-421a-822f-1a50db1e5739_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average exercise price of share options outstanding in share-based payment arrangement (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average exercise price of share options outstanding in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccountingProfit_d879687c-783f-4357-ac18-6178c90c7485_terseLabel_en-US" xlink:label="lab_ifrs-full_AccountingProfit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings before income taxes</link:label>
    <link:label id="lab_ifrs-full_AccountingProfit_label_en-US" xlink:label="lab_ifrs-full_AccountingProfit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounting profit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccountingProfit" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccountingProfit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccountingProfit" xlink:to="lab_ifrs-full_AccountingProfit" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasTable_378b39f7-9be2-4796-a353-714573e5f31a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of geographical areas [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of geographical areas [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeographicalAreasTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfGeographicalAreasTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeographicalAreasTable" xlink:to="lab_ifrs-full_DisclosureOfGeographicalAreasTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinanceCostsExplanatory_57acfdad-7c29-4ccc-8d0b-870e2ebb15f4_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinanceCostsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred financing costs</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinanceCostsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinanceCostsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for finance costs [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinanceCostsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinanceCostsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFinanceCostsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFinanceCostsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageShares_1b887b34-badd-4b1f-8a32-1b27fdf710bb_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basic (in shares)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageShares_4b449ee5-84a9-4205-a495-1889718db987_verboseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average number of shares (basic) (in shares)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average number of ordinary shares used in calculating basic earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageShares" xlink:to="lab_ifrs-full_WeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionUsedOtherProvisions_2a39a25a-4bb7-4ae5-be32-0dfd37a12f67_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ProvisionUsedOtherProvisions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments/usage</link:label>
    <link:label id="lab_ifrs-full_ProvisionUsedOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_ProvisionUsedOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Provision used, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionUsedOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProvisionUsedOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionUsedOtherProvisions" xlink:to="lab_ifrs-full_ProvisionUsedOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AcquisitionRelatedCostsRecognizedAsExpenseForTransactionRecognizedSeparatelyFromAcquisitionOfAssetsAndAssumptionsOfLiabilitiesInBusinessCombinationNet_b1b09503-8476-4e3b-9f58-17de349a083b_terseLabel_en-US" xlink:label="lab_cls_AcquisitionRelatedCostsRecognizedAsExpenseForTransactionRecognizedSeparatelyFromAcquisitionOfAssetsAndAssumptionsOfLiabilitiesInBusinessCombinationNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net acquisition costs</link:label>
    <link:label id="lab_cls_AcquisitionRelatedCostsRecognizedAsExpenseForTransactionRecognizedSeparatelyFromAcquisitionOfAssetsAndAssumptionsOfLiabilitiesInBusinessCombinationNet_label_en-US" xlink:label="lab_cls_AcquisitionRelatedCostsRecognizedAsExpenseForTransactionRecognizedSeparatelyFromAcquisitionOfAssetsAndAssumptionsOfLiabilitiesInBusinessCombinationNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisition-Related Costs Recognized As Expense For Transaction Recognized Separately From Acquisition Of Assets and Assumptions Of Liabilities In Business Combination, Net</link:label>
    <link:label id="lab_cls_AcquisitionRelatedCostsRecognizedAsExpenseForTransactionRecognizedSeparatelyFromAcquisitionOfAssetsAndAssumptionsOfLiabilitiesInBusinessCombinationNet_documentation_en-US" xlink:label="lab_cls_AcquisitionRelatedCostsRecognizedAsExpenseForTransactionRecognizedSeparatelyFromAcquisitionOfAssetsAndAssumptionsOfLiabilitiesInBusinessCombinationNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisition-Related Costs Recognized As Expense For Transaction Recognized Separately From Acquisition Of Assets and Assumptions Of Liabilities In Business Combination, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AcquisitionRelatedCostsRecognizedAsExpenseForTransactionRecognizedSeparatelyFromAcquisitionOfAssetsAndAssumptionsOfLiabilitiesInBusinessCombinationNet" xlink:href="cls-20221231.xsd#cls_AcquisitionRelatedCostsRecognizedAsExpenseForTransactionRecognizedSeparatelyFromAcquisitionOfAssetsAndAssumptionsOfLiabilitiesInBusinessCombinationNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AcquisitionRelatedCostsRecognizedAsExpenseForTransactionRecognizedSeparatelyFromAcquisitionOfAssetsAndAssumptionsOfLiabilitiesInBusinessCombinationNet" xlink:to="lab_cls_AcquisitionRelatedCostsRecognizedAsExpenseForTransactionRecognizedSeparatelyFromAcquisitionOfAssetsAndAssumptionsOfLiabilitiesInBusinessCombinationNet" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_e04acd71-0f6c-4c82-a3a4-ae6803b0e9c9_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems_3478fb03-6555-469f-b6e9-a07acf1865f0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" xlink:to="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRateTypesMember_5ecd17bf-b368-40c1-a582-1d22b4047a3c_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateTypesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest rate types</link:label>
    <link:label id="lab_ifrs-full_InterestRateTypesMember_label_en-US" xlink:label="lab_ifrs-full_InterestRateTypesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest rate types [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRateTypesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestRateTypesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateTypesMember" xlink:to="lab_ifrs-full_InterestRateTypesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OtherAssetsMiscellaneousNoncurrent1_e890742c-4c6c-4599-91a9-a7bb11285c85_terseLabel_en-US" xlink:label="lab_cls_OtherAssetsMiscellaneousNoncurrent1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other</link:label>
    <link:label id="lab_cls_OtherAssetsMiscellaneousNoncurrent1_label_en-US" xlink:label="lab_cls_OtherAssetsMiscellaneousNoncurrent1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Assets, Miscellaneous, Noncurrent1</link:label>
    <link:label id="lab_cls_OtherAssetsMiscellaneousNoncurrent1_documentation_en-US" xlink:label="lab_cls_OtherAssetsMiscellaneousNoncurrent1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Assets, Miscellaneous, Noncurrent1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OtherAssetsMiscellaneousNoncurrent1" xlink:href="cls-20221231.xsd#cls_OtherAssetsMiscellaneousNoncurrent1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OtherAssetsMiscellaneousNoncurrent1" xlink:to="lab_cls_OtherAssetsMiscellaneousNoncurrent1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesMember_d8720319-92b0-40bf-b6dd-02f2a4c65cfd_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesMember" xlink:to="lab_ifrs-full_LiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract_e46f23e1-cad0-46f2-9054-70e71b1da8cd_terseLabel_en-US" xlink:label="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Subclassifications of assets, liabilities and equities [abstract]</link:label>
    <link:label id="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Subclassifications of assets, liabilities and equities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:to="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_f6791f95-25b7-450a-af3a-fd8fccb216e5_terseLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_a5ecbde1-dbf9-47e6-a5c4-698690293db7_periodStartLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and cash equivalents, beginning of year</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_642cd702-ec81-4ba7-b619-2a84d6df96a1_periodEndLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and cash equivalents, end of year</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_b5e63506-ec4a-4010-b4bc-26135695f295_totalLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalents" xlink:to="lab_ifrs-full_CashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_985a0183-c9d3-4472-8793-9555f0cacaea_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basic earnings per share (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basic earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BasicEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsLossPerShare" xlink:to="lab_ifrs-full_BasicEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_fcfced43-c350-4a8b-8e10-1230611cd978_periodStartLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets, beginning balance</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_d5e0461d-4ea4-4adc-bdda-0f9e54d59314_periodEndLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets, ending balance</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilities_5c6a1e3b-c4f4-4605-93d3-7fd6d0977cf1_terseLabel_en-US" xlink:label="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Effects of foreign exchange</link:label>
    <link:label id="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilities_label_en-US" xlink:label="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) Through Net Exchange Differences, Deferred Tax Liabilities</link:label>
    <link:label id="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilities_documentation_en-US" xlink:label="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) Through Net Exchange Differences, Deferred Tax Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilities" xlink:href="cls-20221231.xsd#cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilities" xlink:to="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_4d4bada3-bbc6-4671-b4e0-9fbaa24f1739_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of intangible assets and goodwill [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of intangible assets and goodwill [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LTIPMember_c9673423-e48f-4e43-b23c-33d793e93a00_terseLabel_en-US" xlink:label="lab_cls_LTIPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">LTIP</link:label>
    <link:label id="lab_cls_LTIPMember_label_en-US" xlink:label="lab_cls_LTIPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">LTIP [Member]</link:label>
    <link:label id="lab_cls_LTIPMember_documentation_en-US" xlink:label="lab_cls_LTIPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">LTIP Member [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LTIPMember" xlink:href="cls-20221231.xsd#cls_LTIPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LTIPMember" xlink:to="lab_cls_LTIPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TwoThousandTwentyOneNICBASPPMember_9c3c7b65-4c89-4ac5-980b-450a346b7981_terseLabel_en-US" xlink:label="lab_cls_TwoThousandTwentyOneNICBASPPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2021 NICB ASPP</link:label>
    <link:label id="lab_cls_TwoThousandTwentyOneNICBASPPMember_label_en-US" xlink:label="lab_cls_TwoThousandTwentyOneNICBASPPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Two Thousand Twenty One NICB ASPP [Member]</link:label>
    <link:label id="lab_cls_TwoThousandTwentyOneNICBASPPMember_documentation_en-US" xlink:label="lab_cls_TwoThousandTwentyOneNICBASPPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Two Thousand Twenty One NICB ASPP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TwoThousandTwentyOneNICBASPPMember" xlink:href="cls-20221231.xsd#cls_TwoThousandTwentyOneNICBASPPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TwoThousandTwentyOneNICBASPPMember" xlink:to="lab_cls_TwoThousandTwentyOneNICBASPPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredIncomeTaxesLiabilityMember_9f96bb71-f563-44ca-bb2b-cf4ca0981d25_terseLabel_en-US" xlink:label="lab_cls_DeferredIncomeTaxesLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred income taxes liability</link:label>
    <link:label id="lab_cls_DeferredIncomeTaxesLiabilityMember_label_en-US" xlink:label="lab_cls_DeferredIncomeTaxesLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred income taxes liability [Member]</link:label>
    <link:label id="lab_cls_DeferredIncomeTaxesLiabilityMember_documentation_en-US" xlink:label="lab_cls_DeferredIncomeTaxesLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred income taxes liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredIncomeTaxesLiabilityMember" xlink:href="cls-20221231.xsd#cls_DeferredIncomeTaxesLiabilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredIncomeTaxesLiabilityMember" xlink:to="lab_cls_DeferredIncomeTaxesLiabilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CashandCashEquivalents1Member_a8ed6971-05a5-4fd2-b217-b741a2f266ca_terseLabel_en-US" xlink:label="lab_cls_CashandCashEquivalents1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_cls_CashandCashEquivalents1Member_label_en-US" xlink:label="lab_cls_CashandCashEquivalents1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and Cash Equivalents1 [Member]</link:label>
    <link:label id="lab_cls_CashandCashEquivalents1Member_documentation_en-US" xlink:label="lab_cls_CashandCashEquivalents1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and Cash Equivalents [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CashandCashEquivalents1Member" xlink:href="cls-20221231.xsd#cls_CashandCashEquivalents1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CashandCashEquivalents1Member" xlink:to="lab_cls_CashandCashEquivalents1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_InitialTermLoanMember_fe9f94bc-3510-4400-8ef9-857502c477ba_terseLabel_en-US" xlink:label="lab_cls_InitialTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Initial Term Loan</link:label>
    <link:label id="lab_cls_InitialTermLoanMember_label_en-US" xlink:label="lab_cls_InitialTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Initial Term Loan [Member]</link:label>
    <link:label id="lab_cls_InitialTermLoanMember_documentation_en-US" xlink:label="lab_cls_InitialTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Initial Term Loan [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_InitialTermLoanMember" xlink:href="cls-20221231.xsd#cls_InitialTermLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_InitialTermLoanMember" xlink:to="lab_cls_InitialTermLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherTemporaryDifferencesMember_e4b7569a-e161-493c-94b7-2d33b0e0895a_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherTemporaryDifferencesMember_label_en-US" xlink:label="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other temporary differences [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherTemporaryDifferencesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherTemporaryDifferencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTemporaryDifferencesMember" xlink:to="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember_33432687-f545-4ca6-8803-f8bb7f2c3bd1_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">AOC loss</link:label>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember_18b14b72-1a9b-4151-add3-e940d316fcbb_verboseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated other comprehensive loss</link:label>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated other comprehensive income [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:to="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_b15b217b-0662-45a3-8a28-3465ba33771e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisitions</link:label>
    <link:label id="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingNetPeriodicBenefitCostAbstract_b698f2a5-8d27-45d9-bbb3-113b86da8d64_terseLabel_en-US" xlink:label="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingNetPeriodicBenefitCostAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average rate of compensation increase for:</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingNetPeriodicBenefitCostAbstract_label_en-US" xlink:label="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingNetPeriodicBenefitCostAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingNetPeriodicBenefitCostAbstract_documentation_en-US" xlink:label="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingNetPeriodicBenefitCostAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingNetPeriodicBenefitCostAbstract" xlink:href="cls-20221231.xsd#cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingNetPeriodicBenefitCostAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingNetPeriodicBenefitCostAbstract" xlink:to="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingNetPeriodicBenefitCostAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansAccumulatedOtherComprehensiveIncome_5b9c02e2-664a-43c7-b08a-21ed3fe85fc4_negatedLabel_en-US" xlink:label="lab_cls_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansAccumulatedOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income tax recovery</link:label>
    <link:label id="lab_cls_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansAccumulatedOtherComprehensiveIncome_label_en-US" xlink:label="lab_cls_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansAccumulatedOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Relating To Remeasurements Of Defined Benefit Plans, Accumulated Other Comprehensive Income</link:label>
    <link:label id="lab_cls_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansAccumulatedOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_cls_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansAccumulatedOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Relating To Remeasurements Of Defined Benefit Plans, Accumulated Other Comprehensive Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansAccumulatedOtherComprehensiveIncome" xlink:href="cls-20221231.xsd#cls_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansAccumulatedOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansAccumulatedOtherComprehensiveIncome" xlink:to="lab_cls_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansAccumulatedOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableUnhedgedItemsImpactOnInterestExpense_7d7aebaa-f6a4-4721-9861-31d440f13ba7_terseLabel_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableUnhedgedItemsImpactOnInterestExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reasonably possible change in risk variable, unhedged items, impact on interest expense</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableUnhedgedItemsImpactOnInterestExpense_label_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableUnhedgedItemsImpactOnInterestExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Unhedged Items, Impact On Interest Expense</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableUnhedgedItemsImpactOnInterestExpense_documentation_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableUnhedgedItemsImpactOnInterestExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Unhedged Items, Impact On Interest Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableUnhedgedItemsImpactOnInterestExpense" xlink:href="cls-20221231.xsd#cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableUnhedgedItemsImpactOnInterestExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableUnhedgedItemsImpactOnInterestExpense" xlink:to="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableUnhedgedItemsImpactOnInterestExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxHolidayInitialTerm_67011050-1f4e-460d-b296-dc7f6c1157b9_terseLabel_en-US" xlink:label="lab_cls_IncomeTaxHolidayInitialTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Initial term of tax exemption</link:label>
    <link:label id="lab_cls_IncomeTaxHolidayInitialTerm_label_en-US" xlink:label="lab_cls_IncomeTaxHolidayInitialTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Holiday, Initial Term</link:label>
    <link:label id="lab_cls_IncomeTaxHolidayInitialTerm_documentation_en-US" xlink:label="lab_cls_IncomeTaxHolidayInitialTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Holiday, Initial Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxHolidayInitialTerm" xlink:href="cls-20221231.xsd#cls_IncomeTaxHolidayInitialTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxHolidayInitialTerm" xlink:to="lab_cls_IncomeTaxHolidayInitialTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_e925967c-f502-4649-8854-56fdb33a1114_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate_5e0d8add-8668-4163-a8de-7319546ad518_terseLabel_en-US" xlink:label="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InventoryRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredFinancingCostsMember_911f362a-4fb7-41d9-9be6-28c7216176c4_terseLabel_en-US" xlink:label="lab_cls_DeferredFinancingCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unamortized debt issuance costs</link:label>
    <link:label id="lab_cls_DeferredFinancingCostsMember_label_en-US" xlink:label="lab_cls_DeferredFinancingCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Financing Costs [Member]</link:label>
    <link:label id="lab_cls_DeferredFinancingCostsMember_documentation_en-US" xlink:label="lab_cls_DeferredFinancingCostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Financing Costs [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredFinancingCostsMember" xlink:href="cls-20221231.xsd#cls_DeferredFinancingCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredFinancingCostsMember" xlink:to="lab_cls_DeferredFinancingCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_61984e65-7524-4da6-9083-74432f208af3_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares outstanding, beginning balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_8e49b514-6a3f-48f9-99b6-ec8194e84cd1_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares outstanding, ending balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesOutstanding" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesOutstanding" xlink:to="lab_ifrs-full_NumberOfSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityAbstract_7e99132a-6dd8-45a7-ac15-95162b8ae0bc_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of changes in equity [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of changes in equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_StatementOfChangesInEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredTaxIncomeExpenseRecognisedInProfitOrLossDeferredTaxAssets_bb5f1c53-d39d-4d4a-a71e-cf4bdbecea02_terseLabel_en-US" xlink:label="lab_cls_DeferredTaxIncomeExpenseRecognisedInProfitOrLossDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credited (charged) to net earnings</link:label>
    <link:label id="lab_cls_DeferredTaxIncomeExpenseRecognisedInProfitOrLossDeferredTaxAssets_label_en-US" xlink:label="lab_cls_DeferredTaxIncomeExpenseRecognisedInProfitOrLossDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Income (Expense), Recognised In Profit Or Loss, Deferred Tax Assets</link:label>
    <link:label id="lab_cls_DeferredTaxIncomeExpenseRecognisedInProfitOrLossDeferredTaxAssets_documentation_en-US" xlink:label="lab_cls_DeferredTaxIncomeExpenseRecognisedInProfitOrLossDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Income (Expense), Recognised In Profit Or Loss, Deferred Tax Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredTaxIncomeExpenseRecognisedInProfitOrLossDeferredTaxAssets" xlink:href="cls-20221231.xsd#cls_DeferredTaxIncomeExpenseRecognisedInProfitOrLossDeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredTaxIncomeExpenseRecognisedInProfitOrLossDeferredTaxAssets" xlink:to="lab_cls_DeferredTaxIncomeExpenseRecognisedInProfitOrLossDeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredTaxExpenseRelatedToTemporaryDifferencesRepatriationOfUndistributedForeignEarningsPortionPaidInCurrentYear_173796da-df07-4e52-a838-f4b1c6f01cca_terseLabel_en-US" xlink:label="lab_cls_DeferredTaxExpenseRelatedToTemporaryDifferencesRepatriationOfUndistributedForeignEarningsPortionPaidInCurrentYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax expense, repatriated foreign earnings paid in current year</link:label>
    <link:label id="lab_cls_DeferredTaxExpenseRelatedToTemporaryDifferencesRepatriationOfUndistributedForeignEarningsPortionPaidInCurrentYear_label_en-US" xlink:label="lab_cls_DeferredTaxExpenseRelatedToTemporaryDifferencesRepatriationOfUndistributedForeignEarningsPortionPaidInCurrentYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Expense, Related To Temporary Differences, Repatriation Of Undistributed Foreign Earnings, Portion Paid In Current Year</link:label>
    <link:label id="lab_cls_DeferredTaxExpenseRelatedToTemporaryDifferencesRepatriationOfUndistributedForeignEarningsPortionPaidInCurrentYear_documentation_en-US" xlink:label="lab_cls_DeferredTaxExpenseRelatedToTemporaryDifferencesRepatriationOfUndistributedForeignEarningsPortionPaidInCurrentYear" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Expense, Related To Temporary Differences, Repatriation Of Undistributed Foreign Earnings, Portion Paid In Current Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredTaxExpenseRelatedToTemporaryDifferencesRepatriationOfUndistributedForeignEarningsPortionPaidInCurrentYear" xlink:href="cls-20221231.xsd#cls_DeferredTaxExpenseRelatedToTemporaryDifferencesRepatriationOfUndistributedForeignEarningsPortionPaidInCurrentYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredTaxExpenseRelatedToTemporaryDifferencesRepatriationOfUndistributedForeignEarningsPortionPaidInCurrentYear" xlink:to="lab_cls_DeferredTaxExpenseRelatedToTemporaryDifferencesRepatriationOfUndistributedForeignEarningsPortionPaidInCurrentYear" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_7613e7ad-0f93-4e1f-9030-935e35d73ed8_terseLabel_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_label_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityIncorporationStateCountryCode" xlink:to="lab_dei_EntityIncorporationStateCountryCode" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate_651c40ea-7957-4b3e-9340-725d3238e58f_terseLabel_en-US" xlink:label="lab_cls_OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other non-current assets</link:label>
    <link:label id="lab_cls_OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_cls_OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Non-current Assets Recognised As Of Acquisition Date</link:label>
    <link:label id="lab_cls_OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_cls_OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Non-current Assets Recognised As Of Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:href="cls-20221231.xsd#cls_OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:to="lab_cls_OtherNonCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_CurrencyAxis_8fd3353a-654e-43cb-a6da-8b2e338f4ec5_terseLabel_en-US" xlink:label="lab_srt_CurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Currency [Axis]</link:label>
    <link:label id="lab_srt_CurrencyAxis_label_en-US" xlink:label="lab_srt_CurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Currency [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CurrencyAxis" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CurrencyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CurrencyAxis" xlink:to="lab_srt_CurrencyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures_1251b279-ed46-4d60-9110-87eced54eeae_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Temporary differences associated with investments in subsidiaries for which no deferred tax liabilities have been recognized</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements for which deferred tax liabilities have not been recognised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures" xlink:to="lab_ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentRegistrationStatement_72888705-5e75-4e7d-971e-ae8d2a07cf38_terseLabel_en-US" xlink:label="lab_dei_DocumentRegistrationStatement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Registration Statement</link:label>
    <link:label id="lab_dei_DocumentRegistrationStatement_label_en-US" xlink:label="lab_dei_DocumentRegistrationStatement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Registration Statement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentRegistrationStatement" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentRegistrationStatement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentRegistrationStatement" xlink:to="lab_dei_DocumentRegistrationStatement" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_SGD_74d55ed2-f500-4252-b258-e7bcd47e678b_terseLabel_en-US" xlink:label="lab_currency_SGD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Singapore dollar</link:label>
    <link:label id="lab_currency_SGD_label_en-US" xlink:label="lab_currency_SGD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Singapore, Dollars</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_SGD" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_SGD"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_SGD" xlink:to="lab_currency_SGD" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_43eaea9e-eff3-4ea3-ac9d-84b61fd1655a_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-cash working capital changes</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) in working capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInWorkingCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:to="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment_5f4f8d62-e917-4385-a854-0674ceee7176_terseLabel_en-US" xlink:label="lab_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital expenditures principally for machinery and equipment</link:label>
    <link:label id="lab_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contractual commitments for acquisition of property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AtFairValueMember_c0e1b44a-a3e1-4998-b764-248d917e63aa_terseLabel_en-US" xlink:label="lab_ifrs-full_AtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair value</link:label>
    <link:label id="lab_ifrs-full_AtFairValueMember_label_en-US" xlink:label="lab_ifrs-full_AtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">At fair value [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AtFairValueMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AtFairValueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AtFairValueMember" xlink:to="lab_ifrs-full_AtFairValueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RightofuseAssetsMember_e1eb2846-cd13-454e-930c-93e21c2f4082_terseLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right-of-use assets</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssetsMember_label_en-US" xlink:label="lab_ifrs-full_RightofuseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right-of-use assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RightofuseAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RightofuseAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RightofuseAssetsMember" xlink:to="lab_ifrs-full_RightofuseAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepaymentsOfCurrentBorrowings_3fcc7d07-be2b-44f2-bbc8-8694aaf1ae81_terseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Repayments of current borrowings</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfCurrentBorrowings_5f6e4bfd-0a42-4239-9c35-a11342b7dd84_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Repayments of current borrowings</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfCurrentBorrowings_label_en-US" xlink:label="lab_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Repayments of current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RepaymentsOfCurrentBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:to="lab_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Inventories_37575b8d-df39-45d9-b0af-b88b01fd143f_terseLabel_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_Inventories_d26e3d8d-0b36-474e-a1e7-06ff4a2ead57_totalLabel_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current inventories</link:label>
    <link:label id="lab_ifrs-full_Inventories_label_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Inventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Inventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Inventories" xlink:to="lab_ifrs-full_Inventories" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MaximumMember_4cce32da-5733-4121-aa17-4340390e56bf_terseLabel_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Maximum</link:label>
    <link:label id="lab_srt_MaximumMember_label_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember" xlink:to="lab_srt_MaximumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfGovernmentGrantsExplanatory_800b4b02-21bb-42de-86d1-0f6380438228_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGovernmentGrantsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">COVID-19 Government Subsidies</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfGovernmentGrantsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGovernmentGrantsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of government grants [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGovernmentGrantsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfGovernmentGrantsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGovernmentGrantsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGovernmentGrantsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxAssets_1f4a7836-c8d2-412a-be41-2b29541ba989_terseLabel_en-US" xlink:label="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Effects of foreign exchange</link:label>
    <link:label id="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxAssets_label_en-US" xlink:label="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) Through Net Exchange Differences, Deferred Tax Assets</link:label>
    <link:label id="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxAssets_documentation_en-US" xlink:label="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) Through Net Exchange Differences, Deferred Tax Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxAssets" xlink:href="cls-20221231.xsd#cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxAssets" xlink:to="lab_cls_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RepaymentsOfBorrowingsPercentageOfSpecifiedExcessCashFlow_02cc3aa7-c1b8-482c-8935-6de281d49117_terseLabel_en-US" xlink:label="lab_cls_RepaymentsOfBorrowingsPercentageOfSpecifiedExcessCashFlow" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Repayments of borrowings, percentage of excess cash flow (percent)</link:label>
    <link:label id="lab_cls_RepaymentsOfBorrowingsPercentageOfSpecifiedExcessCashFlow_label_en-US" xlink:label="lab_cls_RepaymentsOfBorrowingsPercentageOfSpecifiedExcessCashFlow" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Repayments Of Borrowings, Percentage Of Specified Excess Cash Flow</link:label>
    <link:label id="lab_cls_RepaymentsOfBorrowingsPercentageOfSpecifiedExcessCashFlow_documentation_en-US" xlink:label="lab_cls_RepaymentsOfBorrowingsPercentageOfSpecifiedExcessCashFlow" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Repayments Of Borrowings, Percentage Of Specified Excess Cash Flow</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RepaymentsOfBorrowingsPercentageOfSpecifiedExcessCashFlow" xlink:href="cls-20221231.xsd#cls_RepaymentsOfBorrowingsPercentageOfSpecifiedExcessCashFlow"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RepaymentsOfBorrowingsPercentageOfSpecifiedExcessCashFlow" xlink:to="lab_cls_RepaymentsOfBorrowingsPercentageOfSpecifiedExcessCashFlow" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LaterThanFourYearsMember_f9c831cd-52b0-43aa-8f56-abf1b1f4d437_terseLabel_en-US" xlink:label="lab_cls_LaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Further mandatory principal repayments</link:label>
    <link:label id="lab_cls_LaterThanFourYearsMember_label_en-US" xlink:label="lab_cls_LaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Later Than Four Years [Member]</link:label>
    <link:label id="lab_cls_LaterThanFourYearsMember_documentation_en-US" xlink:label="lab_cls_LaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Later Than Four Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LaterThanFourYearsMember" xlink:href="cls-20221231.xsd#cls_LaterThanFourYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LaterThanFourYearsMember" xlink:to="lab_cls_LaterThanFourYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForSharebasedPayments_ce92a3ab-cd09-4119-832f-84f59f633306_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity-settled employee SBC</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForSharebasedPayments_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments for share-based payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForSharebasedPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WritedownsReversalsOfInventories_b932e71b-1c07-49f9-b8ac-17795093972d_terseLabel_en-US" xlink:label="lab_ifrs-full_WritedownsReversalsOfInventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net inventory provision</link:label>
    <link:label id="lab_ifrs-full_WritedownsReversalsOfInventories_label_en-US" xlink:label="lab_ifrs-full_WritedownsReversalsOfInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Write-downs (reversals of write-downs) of inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WritedownsReversalsOfInventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WritedownsReversalsOfInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WritedownsReversalsOfInventories" xlink:to="lab_ifrs-full_WritedownsReversalsOfInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_3870f15f-829a-4cf5-83e8-a871a3447605_terseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2023</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Not later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotLaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanOneYearMember" xlink:to="lab_ifrs-full_NotLaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NICBASPPMember_c51da9e1-6206-4317-8c9b-886021fbc19a_terseLabel_en-US" xlink:label="lab_cls_NICBASPPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">NICB ASPP</link:label>
    <link:label id="lab_cls_NICBASPPMember_label_en-US" xlink:label="lab_cls_NICBASPPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">NICB ASPP [Member]</link:label>
    <link:label id="lab_cls_NICBASPPMember_documentation_en-US" xlink:label="lab_cls_NICBASPPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">NICB ASPP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NICBASPPMember" xlink:href="cls-20221231.xsd#cls_NICBASPPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NICBASPPMember" xlink:to="lab_cls_NICBASPPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TwoThousandTwentyTwoNCIBASPPMember_fb58254c-6b94-4be6-bb92-18a25149677f_terseLabel_en-US" xlink:label="lab_cls_TwoThousandTwentyTwoNCIBASPPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2022 NCIB ASPP</link:label>
    <link:label id="lab_cls_TwoThousandTwentyTwoNCIBASPPMember_label_en-US" xlink:label="lab_cls_TwoThousandTwentyTwoNCIBASPPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Two Thousand Twenty Two NCIB ASPP [Member]</link:label>
    <link:label id="lab_cls_TwoThousandTwentyTwoNCIBASPPMember_documentation_en-US" xlink:label="lab_cls_TwoThousandTwentyTwoNCIBASPPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Two Thousand Twenty Two NCIB ASPP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TwoThousandTwentyTwoNCIBASPPMember" xlink:href="cls-20221231.xsd#cls_TwoThousandTwentyTwoNCIBASPPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TwoThousandTwentyTwoNCIBASPPMember" xlink:to="lab_cls_TwoThousandTwentyTwoNCIBASPPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPercentageofSharesVestedDependentonPerformanceAchievements_edf270e3-7e48-4734-9e10-4b2f1206ab20_terseLabel_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPercentageofSharesVestedDependentonPerformanceAchievements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of shares vested dependent on performance achievements (percent)</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPercentageofSharesVestedDependentonPerformanceAchievements_label_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPercentageofSharesVestedDependentonPerformanceAchievements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Percentage of Shares Vested Dependent on Performance Achievements</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPercentageofSharesVestedDependentonPerformanceAchievements_documentation_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPercentageofSharesVestedDependentonPerformanceAchievements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Percentage of Shares Vested Dependent on Performance Achievements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPercentageofSharesVestedDependentonPerformanceAchievements" xlink:href="cls-20221231.xsd#cls_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPercentageofSharesVestedDependentonPerformanceAchievements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPercentageofSharesVestedDependentonPerformanceAchievements" xlink:to="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPercentageofSharesVestedDependentonPerformanceAchievements" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PCIPrivateLimitedMember_0ab14a8a-64a4-47f7-8cb9-73cb8412ee40_terseLabel_en-US" xlink:label="lab_cls_PCIPrivateLimitedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">PCI</link:label>
    <link:label id="lab_cls_PCIPrivateLimitedMember_label_en-US" xlink:label="lab_cls_PCIPrivateLimitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">PCI Private Limited [Member]</link:label>
    <link:label id="lab_cls_PCIPrivateLimitedMember_documentation_en-US" xlink:label="lab_cls_PCIPrivateLimitedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">PCI Private Limited</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PCIPrivateLimitedMember" xlink:href="cls-20221231.xsd#cls_PCIPrivateLimitedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PCIPrivateLimitedMember" xlink:to="lab_cls_PCIPrivateLimitedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_0551b4b3-1ddf-4b40-b7ae-88b7faa0d671_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cost</link:label>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gross carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossCarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GrossCarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossCarryingAmountMember" xlink:to="lab_ifrs-full_GrossCarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateofCompensationIncrease1_6ec05f85-3c00-4afa-8239-accb7fdc5402_terseLabel_en-US" xlink:label="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateofCompensationIncrease1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net pension cost</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateofCompensationIncrease1_label_en-US" xlink:label="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateofCompensationIncrease1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase1</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateofCompensationIncrease1_documentation_en-US" xlink:label="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateofCompensationIncrease1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateofCompensationIncrease1" xlink:href="cls-20221231.xsd#cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateofCompensationIncrease1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateofCompensationIncrease1" xlink:to="lab_cls_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateofCompensationIncrease1" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock_1cd7cad0-df06-4bd2-9529-dae132e8cdfc_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Major Components Of Tax Expense</link:label>
    <link:label id="lab_cls_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Major Components Of Tax Expense (Income) [Table Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Major Components Of Tax Expense (Income) [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock" xlink:to="lab_cls_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases_0bec74a1-d2e2-4c63-bdc1-1e8dc1f7d177_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Benefit obligations</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial assumption of expected rates of salary increases</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" xlink:to="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_5ed18fc9-1650-4d21-8b19-683e2741aa4a_terseLabel_en-US" xlink:label="lab_srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contractual Obligation, Fiscal Year Maturity</link:label>
    <link:label id="lab_srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_label_en-US" xlink:label="lab_srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contractual Obligation, Fiscal Year Maturity [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:to="lab_srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_4cecb7d2-cddf-4077-86a1-88f199f32e40_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding, beginning balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_9733d26d-5691-465f-b8c1-517e4620d750_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding, ending balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_5ac6d967-7d13-4dc8-b072-429c98db9140_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding options (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_label_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of share options outstanding in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOutstandingShareOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfOutstandingShareOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOutstandingShareOptions" xlink:to="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnNetEarnings_a8adfea2-8544-4d1b-9e31-c6cdcb258c0b_terseLabel_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnNetEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reasonably possible decrease in risk variable, impact on net earnings</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnNetEarnings_label_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnNetEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Decrease In Risk Variable, Impact On Net Earnings</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnNetEarnings_documentation_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnNetEarnings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Decrease In Risk Variable, Impact On Net Earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnNetEarnings" xlink:href="cls-20221231.xsd#cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnNetEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnNetEarnings" xlink:to="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnNetEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CustomerIntangibleAssetsMember_bcac8c4c-aeaa-4b97-9bf1-2beef23dcc2e_terseLabel_en-US" xlink:label="lab_cls_CustomerIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer Intangible Assets</link:label>
    <link:label id="lab_cls_CustomerIntangibleAssetsMember_label_en-US" xlink:label="lab_cls_CustomerIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer Intangible Assets [Member]</link:label>
    <link:label id="lab_cls_CustomerIntangibleAssetsMember_documentation_en-US" xlink:label="lab_cls_CustomerIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer Intangible Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CustomerIntangibleAssetsMember" xlink:href="cls-20221231.xsd#cls_CustomerIntangibleAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CustomerIntangibleAssetsMember" xlink:to="lab_cls_CustomerIntangibleAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_fda34ed1-0252-4fa9-bfed-f709e5131418_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Foreign exchange and other</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) through net exchange differences, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_Security12bTitle_7ff566b5-c494-4d0e-92af-2d07b10fce87_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:label id="lab_dei_Security12bTitle_label_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_Security12bTitle"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle" xlink:to="lab_dei_Security12bTitle" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfDetailInformationAboutCashAndCashEquivalentsExplanatoryTableTextBlock_9938347f-a313-4053-a727-4d68d2e402f0_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfDetailInformationAboutCashAndCashEquivalentsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Detailed Information about Cash and Cash Equivalents</link:label>
    <link:label id="lab_cls_DisclosureOfDetailInformationAboutCashAndCashEquivalentsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfDetailInformationAboutCashAndCashEquivalentsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Detail Information About Cash And Cash Equivalents Explanatory [Table Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfDetailInformationAboutCashAndCashEquivalentsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfDetailInformationAboutCashAndCashEquivalentsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Detail Information About Cash And Cash Equivalents Explanatory [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfDetailInformationAboutCashAndCashEquivalentsExplanatoryTableTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfDetailInformationAboutCashAndCashEquivalentsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfDetailInformationAboutCashAndCashEquivalentsExplanatoryTableTextBlock" xlink:to="lab_cls_DisclosureOfDetailInformationAboutCashAndCashEquivalentsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ImpairmentLossRecognizedInProfitOrLossAndDisposalsPropertyPlantAndEquipment_096b7abc-ae19-4d4f-b113-680b26a3d566_negatedTerseLabel_en-US" xlink:label="lab_cls_ImpairmentLossRecognizedInProfitOrLossAndDisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Write down of assets and other disposals</link:label>
    <link:label id="lab_cls_ImpairmentLossRecognizedInProfitOrLossAndDisposalsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_cls_ImpairmentLossRecognizedInProfitOrLossAndDisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impairment Loss Recognized In Profit Or Loss And Disposals, Property, Plant And Equipment</link:label>
    <link:label id="lab_cls_ImpairmentLossRecognizedInProfitOrLossAndDisposalsPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_cls_ImpairmentLossRecognizedInProfitOrLossAndDisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impairment Loss Recognized In Profit Or Loss And Disposals, Property, Plant And Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ImpairmentLossRecognizedInProfitOrLossAndDisposalsPropertyPlantAndEquipment" xlink:href="cls-20221231.xsd#cls_ImpairmentLossRecognizedInProfitOrLossAndDisposalsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ImpairmentLossRecognizedInProfitOrLossAndDisposalsPropertyPlantAndEquipment" xlink:to="lab_cls_ImpairmentLossRecognizedInProfitOrLossAndDisposalsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AccountingProvisionsNotCurrentlyDeductibleRelatedTemporaryDifferencesMember_e5de82af-12e6-4881-8dd7-81e3159270b3_terseLabel_en-US" xlink:label="lab_cls_AccountingProvisionsNotCurrentlyDeductibleRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounting provisions not currently deductible</link:label>
    <link:label id="lab_cls_AccountingProvisionsNotCurrentlyDeductibleRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_cls_AccountingProvisionsNotCurrentlyDeductibleRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounting Provisions Not Currently Deductible Related Temporary Differences [Member]</link:label>
    <link:label id="lab_cls_AccountingProvisionsNotCurrentlyDeductibleRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_cls_AccountingProvisionsNotCurrentlyDeductibleRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounting Provisions Not Currently Deductible Related Temporary Differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AccountingProvisionsNotCurrentlyDeductibleRelatedTemporaryDifferencesMember" xlink:href="cls-20221231.xsd#cls_AccountingProvisionsNotCurrentlyDeductibleRelatedTemporaryDifferencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AccountingProvisionsNotCurrentlyDeductibleRelatedTemporaryDifferencesMember" xlink:to="lab_cls_AccountingProvisionsNotCurrentlyDeductibleRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OtherCommitment1_73b85f53-9eae-4dbe-a3ac-7750916c0740_terseLabel_en-US" xlink:label="lab_cls_OtherCommitment1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total future minimum payments</link:label>
    <link:label id="lab_cls_OtherCommitment1_label_en-US" xlink:label="lab_cls_OtherCommitment1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Commitment1</link:label>
    <link:label id="lab_cls_OtherCommitment1_documentation_en-US" xlink:label="lab_cls_OtherCommitment1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Commitment1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OtherCommitment1" xlink:href="cls-20221231.xsd#cls_OtherCommitment1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OtherCommitment1" xlink:to="lab_cls_OtherCommitment1" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfSignificantAccountingPoliciesAbstract_cf44c33d-64bf-4596-8183-21628e394147_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfSignificantAccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Significant Accounting Policies [Abstract]</link:label>
    <link:label id="lab_cls_DisclosureOfSignificantAccountingPoliciesAbstract_label_en-US" xlink:label="lab_cls_DisclosureOfSignificantAccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Significant Accounting Policies [Abstract]</link:label>
    <link:label id="lab_cls_DisclosureOfSignificantAccountingPoliciesAbstract_documentation_en-US" xlink:label="lab_cls_DisclosureOfSignificantAccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Significant Accounting Policies [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfSignificantAccountingPoliciesAbstract" xlink:href="cls-20221231.xsd#cls_DisclosureOfSignificantAccountingPoliciesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfSignificantAccountingPoliciesAbstract" xlink:to="lab_cls_DisclosureOfSignificantAccountingPoliciesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnusedProvisionReversedOtherProvisions_5c832fff-4cc2-4346-9e55-0db9beb058d1_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reversal of prior year provisions</link:label>
    <link:label id="lab_ifrs-full_UnusedProvisionReversedOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unused provision reversed, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_UnusedProvisionReversedOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:to="lab_ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ScheduleOfAdditionalInformationOfExpensesTableTextBlock_7157c8be-83a7-418c-8a7e-e027f5495aeb_terseLabel_en-US" xlink:label="lab_cls_ScheduleOfAdditionalInformationOfExpensesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Additional Information of Expenses</link:label>
    <link:label id="lab_cls_ScheduleOfAdditionalInformationOfExpensesTableTextBlock_label_en-US" xlink:label="lab_cls_ScheduleOfAdditionalInformationOfExpensesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule Of Additional Information Of Expenses [Table Text Block]</link:label>
    <link:label id="lab_cls_ScheduleOfAdditionalInformationOfExpensesTableTextBlock_documentation_en-US" xlink:label="lab_cls_ScheduleOfAdditionalInformationOfExpensesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule Of Additional Information Of Expenses [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ScheduleOfAdditionalInformationOfExpensesTableTextBlock" xlink:href="cls-20221231.xsd#cls_ScheduleOfAdditionalInformationOfExpensesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ScheduleOfAdditionalInformationOfExpensesTableTextBlock" xlink:to="lab_cls_ScheduleOfAdditionalInformationOfExpensesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissuedSharebasedCompensation_fba8aee3-4998-4361-9704-5eb4d1e28baf_terseLabel_en-US" xlink:label="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissuedSharebasedCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Shares issued (in shares)</link:label>
    <link:label id="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissuedSharebasedCompensation_label_en-US" xlink:label="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissuedSharebasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Issued During Period, Shares, Treasury Stock Reissued, Share-based Compensation</link:label>
    <link:label id="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissuedSharebasedCompensation_documentation_en-US" xlink:label="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissuedSharebasedCompensation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Issued During Period, Shares, Treasury Stock Reissued, Share-based Compensation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_StockIssuedDuringPeriodSharesTreasuryStockReissuedSharebasedCompensation" xlink:href="cls-20221231.xsd#cls_StockIssuedDuringPeriodSharesTreasuryStockReissuedSharebasedCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_StockIssuedDuringPeriodSharesTreasuryStockReissuedSharebasedCompensation" xlink:to="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissuedSharebasedCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_EmployerDirectSettlementPaymentsNetDefinedBenefitLiabilityAsset_15b94434-07bb-4e92-84bf-c86cb3e201c7_negatedTerseLabel_en-US" xlink:label="lab_cls_EmployerDirectSettlementPaymentsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employer direct settlement payments</link:label>
    <link:label id="lab_cls_EmployerDirectSettlementPaymentsNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_cls_EmployerDirectSettlementPaymentsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employer Direct Settlement Payments, Net Defined Benefit Liability (Asset)</link:label>
    <link:label id="lab_cls_EmployerDirectSettlementPaymentsNetDefinedBenefitLiabilityAsset_documentation_en-US" xlink:label="lab_cls_EmployerDirectSettlementPaymentsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employer Direct Settlement Payments, Net Defined Benefit Liability (Asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_EmployerDirectSettlementPaymentsNetDefinedBenefitLiabilityAsset" xlink:href="cls-20221231.xsd#cls_EmployerDirectSettlementPaymentsNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_EmployerDirectSettlementPaymentsNetDefinedBenefitLiabilityAsset" xlink:to="lab_cls_EmployerDirectSettlementPaymentsNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LeasesLeaseTermExtension_49ca04ee-0a80-4048-948e-edd6aa84a047_terseLabel_en-US" xlink:label="lab_cls_LeasesLeaseTermExtension" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Extension of lease term (in years)</link:label>
    <link:label id="lab_cls_LeasesLeaseTermExtension_label_en-US" xlink:label="lab_cls_LeasesLeaseTermExtension" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Leases, Lease Term, Extension</link:label>
    <link:label id="lab_cls_LeasesLeaseTermExtension_documentation_en-US" xlink:label="lab_cls_LeasesLeaseTermExtension" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Leases, Lease Term, Extension</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LeasesLeaseTermExtension" xlink:href="cls-20221231.xsd#cls_LeasesLeaseTermExtension"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LeasesLeaseTermExtension" xlink:to="lab_cls_LeasesLeaseTermExtension" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan_c222f98f-8049-4b36-b05d-0e8f604da95d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current other post-employment benefit obligations</link:label>
    <link:label id="lab_ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan_label_en-US" xlink:label="lab_ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current net defined benefit liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:to="lab_ifrs-full_CurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LondonInterbankOfferedRateLIBOR1Member_4e5fff27-dfe4-4df2-933d-8bd0a84dc3c6_terseLabel_en-US" xlink:label="lab_cls_LondonInterbankOfferedRateLIBOR1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">London Interbank Offered Rate LIBOR</link:label>
    <link:label id="lab_cls_LondonInterbankOfferedRateLIBOR1Member_label_en-US" xlink:label="lab_cls_LondonInterbankOfferedRateLIBOR1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">London Interbank Offered Rate LIBOR1 [Member]</link:label>
    <link:label id="lab_cls_LondonInterbankOfferedRateLIBOR1Member_documentation_en-US" xlink:label="lab_cls_LondonInterbankOfferedRateLIBOR1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">London Interbank Offered Rate LIBOR1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LondonInterbankOfferedRateLIBOR1Member" xlink:href="cls-20221231.xsd#cls_LondonInterbankOfferedRateLIBOR1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LondonInterbankOfferedRateLIBOR1Member" xlink:to="lab_cls_LondonInterbankOfferedRateLIBOR1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AuditInformationAbstract_label_en-US" xlink:label="lab_cls_AuditInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Audit Information [Abstract]</link:label>
    <link:label id="lab_cls_AuditInformationAbstract_documentation_en-US" xlink:label="lab_cls_AuditInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Audit Information [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AuditInformationAbstract" xlink:href="cls-20221231.xsd#cls_AuditInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AuditInformationAbstract" xlink:to="lab_cls_AuditInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AllLevelsOfFairValueHierarchyMember_c5cca3e9-1d32-4ca3-ae58-510d4a44029a_terseLabel_en-US" xlink:label="lab_ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">All levels of fair value hierarchy</link:label>
    <link:label id="lab_ifrs-full_AllLevelsOfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">All levels of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AllLevelsOfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:to="lab_ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCountry_a37ca5a4-e3c4-46d0-b190-7f139c5cd26f_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCountry" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Country</link:label>
    <link:label id="lab_dei_EntityAddressCountry_label_en-US" xlink:label="lab_dei_EntityAddressCountry" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Country</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCountry" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCountry"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCountry" xlink:to="lab_dei_EntityAddressCountry" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory_4903d835-8902-4d38-ac52-a7a8402dc887_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contractual Undiscounted Cash Flows For Lease Obligations</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory_2a8d34fa-f4f8-4782-a589-1950e7ff8a6e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Detailed Information About Leases</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of additional information about leasing activities for lessee [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BuildingsMember_3c1e0c67-86a6-4e11-b029-5dedfbb6a03b_terseLabel_en-US" xlink:label="lab_ifrs-full_BuildingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Buildings</link:label>
    <link:label id="lab_ifrs-full_BuildingsMember_label_en-US" xlink:label="lab_ifrs-full_BuildingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Buildings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BuildingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BuildingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BuildingsMember" xlink:to="lab_ifrs-full_BuildingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PercentageOfDebtHedged_cbd4dd45-2c17-4da3-a551-bbf692ba5353_terseLabel_en-US" xlink:label="lab_cls_PercentageOfDebtHedged" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of debt hedged</link:label>
    <link:label id="lab_cls_PercentageOfDebtHedged_label_en-US" xlink:label="lab_cls_PercentageOfDebtHedged" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of Debt Hedged</link:label>
    <link:label id="lab_cls_PercentageOfDebtHedged_documentation_en-US" xlink:label="lab_cls_PercentageOfDebtHedged" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of Debt Hedged</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PercentageOfDebtHedged" xlink:href="cls-20221231.xsd#cls_PercentageOfDebtHedged"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PercentageOfDebtHedged" xlink:to="lab_cls_PercentageOfDebtHedged" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ReductionOfRightOfUseAssetsTenantImprovementAllowances_89a09f3c-823b-4056-967f-0ed8ee2d23f6_terseLabel_en-US" xlink:label="lab_cls_ReductionOfRightOfUseAssetsTenantImprovementAllowances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reduction for tenant improvement allowances</link:label>
    <link:label id="lab_cls_ReductionOfRightOfUseAssetsTenantImprovementAllowances_label_en-US" xlink:label="lab_cls_ReductionOfRightOfUseAssetsTenantImprovementAllowances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reduction Of Right-Of-Use Assets, Tenant Improvement Allowances</link:label>
    <link:label id="lab_cls_ReductionOfRightOfUseAssetsTenantImprovementAllowances_documentation_en-US" xlink:label="lab_cls_ReductionOfRightOfUseAssetsTenantImprovementAllowances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reduction Of Right-Of-Use Assets, Tenant Improvement Allowances</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ReductionOfRightOfUseAssetsTenantImprovementAllowances" xlink:href="cls-20221231.xsd#cls_ReductionOfRightOfUseAssetsTenantImprovementAllowances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ReductionOfRightOfUseAssetsTenantImprovementAllowances" xlink:to="lab_cls_ReductionOfRightOfUseAssetsTenantImprovementAllowances" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonPurchaseOfAnnuities_31180acc-3634-4995-8ec6-002174d712bd_terseLabel_en-US" xlink:label="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonPurchaseOfAnnuities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Loss on purchase of pension annuities</link:label>
    <link:label id="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonPurchaseOfAnnuities_label_en-US" xlink:label="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonPurchaseOfAnnuities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Comprehensive Income, Net of Tax, Gain (Loss) on Purchase Of Annuities</link:label>
    <link:label id="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonPurchaseOfAnnuities_documentation_en-US" xlink:label="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonPurchaseOfAnnuities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Comprehensive Income, Net of Tax, Gain (Loss) on Purchase Of Annuities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OtherComprehensiveIncomeNetofTaxGainLossonPurchaseOfAnnuities" xlink:href="cls-20221231.xsd#cls_OtherComprehensiveIncomeNetofTaxGainLossonPurchaseOfAnnuities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OtherComprehensiveIncomeNetofTaxGainLossonPurchaseOfAnnuities" xlink:to="lab_cls_OtherComprehensiveIncomeNetofTaxGainLossonPurchaseOfAnnuities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxExpenseBenefitReversalOfTaxUncertaintiesOfSubsidiary_d056dd53-8239-4002-9733-9f473b6523e2_negatedTerseLabel_en-US" xlink:label="lab_cls_IncomeTaxExpenseBenefitReversalOfTaxUncertaintiesOfSubsidiary" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reversal of tax uncertainties</link:label>
    <link:label id="lab_cls_IncomeTaxExpenseBenefitReversalOfTaxUncertaintiesOfSubsidiary_label_en-US" xlink:label="lab_cls_IncomeTaxExpenseBenefitReversalOfTaxUncertaintiesOfSubsidiary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Expense (Benefit), Reversal Of Tax Uncertainties Of Subsidiary</link:label>
    <link:label id="lab_cls_IncomeTaxExpenseBenefitReversalOfTaxUncertaintiesOfSubsidiary_documentation_en-US" xlink:label="lab_cls_IncomeTaxExpenseBenefitReversalOfTaxUncertaintiesOfSubsidiary" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Expense (Benefit), Reversal Of Tax Uncertainties Of Subsidiary</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxExpenseBenefitReversalOfTaxUncertaintiesOfSubsidiary" xlink:href="cls-20221231.xsd#cls_IncomeTaxExpenseBenefitReversalOfTaxUncertaintiesOfSubsidiary"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxExpenseBenefitReversalOfTaxUncertaintiesOfSubsidiary" xlink:to="lab_cls_IncomeTaxExpenseBenefitReversalOfTaxUncertaintiesOfSubsidiary" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LiabilityForPlanBenefitsDefinedBenefitPlansMember_5f1f38ab-a780-4fde-936f-b153d9c6c163_terseLabel_en-US" xlink:label="lab_cls_LiabilityForPlanBenefitsDefinedBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pension and non-pension post-employment liabilities</link:label>
    <link:label id="lab_cls_LiabilityForPlanBenefitsDefinedBenefitPlansMember_label_en-US" xlink:label="lab_cls_LiabilityForPlanBenefitsDefinedBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liability For Plan Benefits, Defined Benefit Plans [Member]</link:label>
    <link:label id="lab_cls_LiabilityForPlanBenefitsDefinedBenefitPlansMember_documentation_en-US" xlink:label="lab_cls_LiabilityForPlanBenefitsDefinedBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liability For Plan Benefits, Defined Benefit Plans [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LiabilityForPlanBenefitsDefinedBenefitPlansMember" xlink:href="cls-20221231.xsd#cls_LiabilityForPlanBenefitsDefinedBenefitPlansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LiabilityForPlanBenefitsDefinedBenefitPlansMember" xlink:to="lab_cls_LiabilityForPlanBenefitsDefinedBenefitPlansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory_48febde4-a9f4-4bcf-9569-a6f5b8519ff9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Derivatives and Hedging Activities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about hedging instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLiabilities_ed7815d4-241c-47e4-8569-4d750ab21c8f_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total current liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilities" xlink:to="lab_ifrs-full_CurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForFinanceCosts_48e4a1e6-1383-43cd-b328-0832d5711385_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForFinanceCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Finance costs</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForFinanceCosts_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForFinanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments for finance costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForFinanceCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForFinanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForFinanceCosts" xlink:to="lab_ifrs-full_AdjustmentsForFinanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ADCGUMember_53464388-8ea7-4d8c-b220-689330a894d8_terseLabel_en-US" xlink:label="lab_cls_ADCGUMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">A&amp;D CGU(iii)</link:label>
    <link:label id="lab_cls_ADCGUMember_label_en-US" xlink:label="lab_cls_ADCGUMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">A &amp; D CGU [Member]</link:label>
    <link:label id="lab_cls_ADCGUMember_documentation_en-US" xlink:label="lab_cls_ADCGUMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">A &amp; D CGU [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ADCGUMember" xlink:href="cls-20221231.xsd#cls_ADCGUMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ADCGUMember" xlink:to="lab_cls_ADCGUMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_e7977170-24d2-41d5-a88a-c8e9ac7feada_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Foreign currency</link:label>
    <link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reserve of exchange differences on translation [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:to="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_a79281e7-e0da-47ee-8a5d-d57b811b15c0_terseLabel_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Level&#160;2</link:label>
    <link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Level 2 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Level2OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NetFinancialAssetsLiabilitiesMember_24e5ff5d-816a-4e36-8afb-282f440b20d9_terseLabel_en-US" xlink:label="lab_cls_NetFinancialAssetsLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net financial assets (liabilities)</link:label>
    <link:label id="lab_cls_NetFinancialAssetsLiabilitiesMember_label_en-US" xlink:label="lab_cls_NetFinancialAssetsLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Financial Assets (Liabilities) [Member]</link:label>
    <link:label id="lab_cls_NetFinancialAssetsLiabilitiesMember_documentation_en-US" xlink:label="lab_cls_NetFinancialAssetsLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Financial Assets (Liabilities) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NetFinancialAssetsLiabilitiesMember" xlink:href="cls-20221231.xsd#cls_NetFinancialAssetsLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NetFinancialAssetsLiabilitiesMember" xlink:to="lab_cls_NetFinancialAssetsLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_db741336-a175-45a9-b249-865683ec5e74_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity-settled stock-based compensation (SBC)</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) through share-based payment transactions, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BusinessCombinationsAxis_40469ab1-6c5f-4716-850d-02f5a760cdd8_terseLabel_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business combinations [axis]</link:label>
    <link:label id="lab_ifrs-full_BusinessCombinationsAxis_label_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business combinations [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BusinessCombinationsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BusinessCombinationsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BusinessCombinationsAxis" xlink:to="lab_ifrs-full_BusinessCombinationsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveOne_53d5cf50-13dd-4ad8-bf8a-b6818b332a24_terseLabel_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveOne" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of first tax incentive</link:label>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveOne_label_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveOne" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Incentive, Exemption Percentage, Incentive One</link:label>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveOne_documentation_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveOne" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Incentive, Exemption Percentage, Incentive One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxIncentiveExemptionPercentageIncentiveOne" xlink:href="cls-20221231.xsd#cls_IncomeTaxIncentiveExemptionPercentageIncentiveOne"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxIncentiveExemptionPercentageIncentiveOne" xlink:to="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveOne" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfMajorCustomersTable_ae7e0e38-10db-4210-8738-38e63c149533_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMajorCustomersTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of major customers [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMajorCustomersTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMajorCustomersTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of major customers [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMajorCustomersTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfMajorCustomersTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMajorCustomersTable" xlink:to="lab_ifrs-full_DisclosureOfMajorCustomersTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_f8efec5e-bbea-464d-80b9-3b9fd7955e8f_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lease payments</link:label>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments of lease liabilities, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NumberofReportableSegments1_eca5238e-9fed-4a49-9fe5-2ef35195bea1_terseLabel_en-US" xlink:label="lab_cls_NumberofReportableSegments1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of reportable segments</link:label>
    <link:label id="lab_cls_NumberofReportableSegments1_label_en-US" xlink:label="lab_cls_NumberofReportableSegments1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of Reportable Segments1</link:label>
    <link:label id="lab_cls_NumberofReportableSegments1_documentation_en-US" xlink:label="lab_cls_NumberofReportableSegments1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of Reportable Segments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NumberofReportableSegments1" xlink:href="cls-20221231.xsd#cls_NumberofReportableSegments1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NumberofReportableSegments1" xlink:to="lab_cls_NumberofReportableSegments1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SharePremiumMember_b521b6f7-7bca-4b14-bbdd-8fe16182cac0_terseLabel_en-US" xlink:label="lab_ifrs-full_SharePremiumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contributed surplus</link:label>
    <link:label id="lab_ifrs-full_SharePremiumMember_label_en-US" xlink:label="lab_ifrs-full_SharePremiumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share premium [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SharePremiumMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SharePremiumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SharePremiumMember" xlink:to="lab_ifrs-full_SharePremiumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CreditFacility1Axis_a5baeed7-5786-4d80-b2e6-b1c28fd90923_terseLabel_en-US" xlink:label="lab_cls_CreditFacility1Axis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:label id="lab_cls_CreditFacility1Axis_label_en-US" xlink:label="lab_cls_CreditFacility1Axis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility1 [Axis]</link:label>
    <link:label id="lab_cls_CreditFacility1Axis_documentation_en-US" xlink:label="lab_cls_CreditFacility1Axis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CreditFacility1Axis" xlink:href="cls-20221231.xsd#cls_CreditFacility1Axis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CreditFacility1Axis" xlink:to="lab_cls_CreditFacility1Axis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherIntangibleAssetsMember_ee6051b5-d84a-42fc-9ec4-86ef247c87ed_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other intangible assets</link:label>
    <link:label id="lab_ifrs-full_OtherIntangibleAssetsMember_label_en-US" xlink:label="lab_ifrs-full_OtherIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other intangible assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherIntangibleAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherIntangibleAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherIntangibleAssetsMember" xlink:to="lab_ifrs-full_OtherIntangibleAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax_217d4b11-35e9-4e6c-b71d-a587584c35d4_terseLabel_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification of net loss (gain) on cash flow hedges to operations</link:label>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax_label_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification adjustments on cash flow hedges, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:to="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems_7ce7e441-f032-4917-acc1-be60266aea53_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of impairment loss and reversal of impairment loss [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of impairment loss and reversal of impairment loss [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:to="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod_4fced2b1-ad01-498c-b955-9d32f937e3b8_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments for prior years, including changes to net provisions related to tax uncertainties</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments for current tax of prior periods</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:to="lab_ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_f6174871-2f72-4023-a74c-12b0f5f38264_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred income taxes</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_211cace1-6914-47a8-b4c4-b85041e74d75_periodStartLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax liabilities, beginning balance</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_89d10039-c9f5-49ad-b724-d25ecce7f6a1_periodEndLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax liabilities, ending balance</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_355e7df4-fb3f-41b5-966f-25e303c954b5_verboseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxLiabilities" xlink:to="lab_ifrs-full_DeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentAccountingStandard_315832ca-f7e0-48d2-97a6-97617a0f13f3_terseLabel_en-US" xlink:label="lab_dei_DocumentAccountingStandard" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Accounting Standard</link:label>
    <link:label id="lab_dei_DocumentAccountingStandard_label_en-US" xlink:label="lab_dei_DocumentAccountingStandard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Accounting Standard</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAccountingStandard" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentAccountingStandard"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAccountingStandard" xlink:to="lab_dei_DocumentAccountingStandard" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_3a5e50f1-c40b-4554-8f08-286231a933ca_terseLabel_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_label_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityWellKnownSeasonedIssuer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_ebf74c81-e531-40e2-baad-eee83b11042b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Changes in Goodwill and Intangible Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption_47dea92e-c4b1-49fe-8fdc-42b4db0fcf4a_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">1% Decrease</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) in defined benefit obligation due to reasonably possible decrease in actuarial assumption</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xlink:to="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_0fceecaa-cc99-492e-b8ff-c5aed80edb39_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of cash flows [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of cash flows [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_StatementOfCashFlowsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialLiabilities_f039e164-4b57-40f2-9077-96901fda7599_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current derivative financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentDerivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_a626c5c8-9ce3-4558-9ee9-afb71e899be0_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial gains (losses) on pension and non-pension post-employment benefit plans</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_a5b9c9f9-126a-48ca-9e04-828bb289cd91_negatedLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial losses (gains) recognized during the year</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NumberOfSubsidiaries_b2de79ad-de29-4142-9fa2-19b235799ae6_terseLabel_en-US" xlink:label="lab_cls_NumberOfSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of subsidiaries</link:label>
    <link:label id="lab_cls_NumberOfSubsidiaries_label_en-US" xlink:label="lab_cls_NumberOfSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Subsidiaries</link:label>
    <link:label id="lab_cls_NumberOfSubsidiaries_documentation_en-US" xlink:label="lab_cls_NumberOfSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Subsidiaries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NumberOfSubsidiaries" xlink:href="cls-20221231.xsd#cls_NumberOfSubsidiaries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NumberOfSubsidiaries" xlink:to="lab_cls_NumberOfSubsidiaries" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfHedgesMember_8f6ca2fd-f1be-4822-a35f-96297c490dc6_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedges</link:label>
    <link:label id="lab_ifrs-full_TypesOfHedgesMember_label_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedges [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfHedgesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfHedgesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfHedgesMember" xlink:to="lab_ifrs-full_TypesOfHedgesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BasicRentExpenseTermTwo_72a39f75-7a57-448c-852b-98089a89f429_terseLabel_en-US" xlink:label="lab_cls_BasicRentExpenseTermTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basic rent expense, term two (in years)</link:label>
    <link:label id="lab_cls_BasicRentExpenseTermTwo_label_en-US" xlink:label="lab_cls_BasicRentExpenseTermTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basic Rent Expense, Term Two</link:label>
    <link:label id="lab_cls_BasicRentExpenseTermTwo_documentation_en-US" xlink:label="lab_cls_BasicRentExpenseTermTwo" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basic Rent Expense, Term Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BasicRentExpenseTermTwo" xlink:href="cls-20221231.xsd#cls_BasicRentExpenseTermTwo"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BasicRentExpenseTermTwo" xlink:to="lab_cls_BasicRentExpenseTermTwo" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable_b2d1582a-0388-4185-a655-c7311e1cbb3e_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Fair Value Measurement Of Assets And Liabilities [Table]</link:label>
    <link:label id="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable_label_en-US" xlink:label="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Fair Value Measurement Of Assets And Liabilities [Table]</link:label>
    <link:label id="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable_documentation_en-US" xlink:label="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Fair Value Measurement Of Assets And Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable" xlink:href="cls-20221231.xsd#cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable" xlink:to="lab_cls_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_FirstIncrementalTermLoanMember_0cd9d471-1ad2-4d49-aff8-f9ad60d25cce_terseLabel_en-US" xlink:label="lab_cls_FirstIncrementalTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">First Incremental Term Loan</link:label>
    <link:label id="lab_cls_FirstIncrementalTermLoanMember_label_en-US" xlink:label="lab_cls_FirstIncrementalTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">First Incremental Term Loan [Member]</link:label>
    <link:label id="lab_cls_FirstIncrementalTermLoanMember_documentation_en-US" xlink:label="lab_cls_FirstIncrementalTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">First Incremental Term Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_FirstIncrementalTermLoanMember" xlink:href="cls-20221231.xsd#cls_FirstIncrementalTermLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_FirstIncrementalTermLoanMember" xlink:to="lab_cls_FirstIncrementalTermLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseOfRestructuringActivities_6c94dc73-5072-4e10-859d-8b6947170bef_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restructuring charges, net of recoveries</link:label>
    <link:label id="lab_ifrs-full_ExpenseOfRestructuringActivities_7961a70b-ac02-4e73-9659-bfb9e6ec3762_verboseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expense of restructuring activities</link:label>
    <link:label id="lab_ifrs-full_ExpenseOfRestructuringActivities_label_en-US" xlink:label="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expense of restructuring activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseOfRestructuringActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ExpenseOfRestructuringActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseOfRestructuringActivities" xlink:to="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_205c886a-0ac8-4a7e-900c-c2b7f4d00864_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercised (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of share options exercised in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of transactions between related parties [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredTaxRelatingToOtherDeferredTaxLiabilities_93c6c917-0731-461f-b857-d74c6ffb685c_terseLabel_en-US" xlink:label="lab_cls_DeferredTaxRelatingToOtherDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other</link:label>
    <link:label id="lab_cls_DeferredTaxRelatingToOtherDeferredTaxLiabilities_label_en-US" xlink:label="lab_cls_DeferredTaxRelatingToOtherDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Relating To Other, Deferred Tax Liabilities</link:label>
    <link:label id="lab_cls_DeferredTaxRelatingToOtherDeferredTaxLiabilities_documentation_en-US" xlink:label="lab_cls_DeferredTaxRelatingToOtherDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Relating To Other, Deferred Tax Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredTaxRelatingToOtherDeferredTaxLiabilities" xlink:href="cls-20221231.xsd#cls_DeferredTaxRelatingToOtherDeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredTaxRelatingToOtherDeferredTaxLiabilities" xlink:to="lab_cls_DeferredTaxRelatingToOtherDeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan_aead720f-1662-4b53-8eeb-13556af67401_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net pension assets</link:label>
    <link:label id="lab_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan_4ef06c5d-14c7-4982-ab22-0dced3ead2a9_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-current net defined benefit asset (note 9)</link:label>
    <link:label id="lab_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan_label_en-US" xlink:label="lab_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-current net defined benefit asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xlink:to="lab_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of other provisions [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOtherProvisionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Liabilities_f469aaa5-ce39-4e0e-ba9f-1b4e764f3c77_totalLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total liabilities</link:label>
    <link:label id="lab_ifrs-full_Liabilities_label_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Liabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Liabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Liabilities" xlink:to="lab_ifrs-full_Liabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsToRightofuseAssets_c1786f10-fd88-45ff-a9ab-a7788e3a3e36_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsToRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionsToRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_AdditionsToRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additions to right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsToRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdditionsToRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsToRightofuseAssets" xlink:to="lab_ifrs-full_AdditionsToRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesAxis_6b9fb79f-0fea-470b-85a1-b9cd3220e2c2_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_44a75a69-2b22-4156-bdcb-065280694b3a_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lease obligations</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lease liabilities [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilitiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LeaseLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilitiesMember" xlink:to="lab_ifrs-full_LeaseLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory_dc3843fb-93ba-4b28-90dc-fac2db13552a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentages and Assumptions Used in Measuring the Plans</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of defined benefit plans [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset_891227e3-ef30-4079-9f31-106880e95687_terseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement payments from plan</link:label>
    <link:label id="lab_ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset_7cc32621-f529-4296-a3a4-1fdd1b67515a_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement payments from plan</link:label>
    <link:label id="lab_ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Decrease (increase) in net defined benefit liability (asset) resulting from payments in respect of settlements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_b2508fa6-0416-4bc7-8e48-1e5bb5374b2a_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net cash provided by (used in) investing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash flows from (used in) investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SecondIncrementalTermLoanMember_2e90d224-6a9e-4246-82e3-a880f3f0d044_terseLabel_en-US" xlink:label="lab_cls_SecondIncrementalTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Second Incremental Term Loan</link:label>
    <link:label id="lab_cls_SecondIncrementalTermLoanMember_label_en-US" xlink:label="lab_cls_SecondIncrementalTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Second Incremental Term Loan [Member]</link:label>
    <link:label id="lab_cls_SecondIncrementalTermLoanMember_documentation_en-US" xlink:label="lab_cls_SecondIncrementalTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Second Incremental Term Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SecondIncrementalTermLoanMember" xlink:href="cls-20221231.xsd#cls_SecondIncrementalTermLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SecondIncrementalTermLoanMember" xlink:to="lab_cls_SecondIncrementalTermLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInIntangibleAssetsAndGoodwillAbstract_0f68e857-9e6d-4a89-aca8-cc56518c9277_terseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInIntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Changes in intangible assets and goodwill [abstract]</link:label>
    <link:label id="lab_ifrs-full_ChangesInIntangibleAssetsAndGoodwillAbstract_label_en-US" xlink:label="lab_ifrs-full_ChangesInIntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Changes in intangible assets and goodwill [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInIntangibleAssetsAndGoodwillAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ChangesInIntangibleAssetsAndGoodwillAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="lab_ifrs-full_ChangesInIntangibleAssetsAndGoodwillAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BorrowingsMaturityTerm_c7266a2a-0c95-448d-ad9b-8072eb089170_terseLabel_en-US" xlink:label="lab_cls_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt instrument term</link:label>
    <link:label id="lab_cls_BorrowingsMaturityTerm_label_en-US" xlink:label="lab_cls_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings Maturity, Term</link:label>
    <link:label id="lab_cls_BorrowingsMaturityTerm_documentation_en-US" xlink:label="lab_cls_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings Maturity, Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BorrowingsMaturityTerm" xlink:href="cls-20221231.xsd#cls_BorrowingsMaturityTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BorrowingsMaturityTerm" xlink:to="lab_cls_BorrowingsMaturityTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_b17880ab-9634-487a-9976-65136b20bc00_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate" xlink:to="lab_dei_CurrentFiscalYearEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SaleOfReceivablesUnderFacilityProgramMember_3b8b0c85-f072-481c-ab18-c7707fa5b1c3_terseLabel_en-US" xlink:label="lab_cls_SaleOfReceivablesUnderFacilityProgramMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Factoring of receivables from facility program</link:label>
    <link:label id="lab_cls_SaleOfReceivablesUnderFacilityProgramMember_label_en-US" xlink:label="lab_cls_SaleOfReceivablesUnderFacilityProgramMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sale Of Receivables Under Facility Program [Member]</link:label>
    <link:label id="lab_cls_SaleOfReceivablesUnderFacilityProgramMember_documentation_en-US" xlink:label="lab_cls_SaleOfReceivablesUnderFacilityProgramMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sale Of Receivables Under Facility Program [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SaleOfReceivablesUnderFacilityProgramMember" xlink:href="cls-20221231.xsd#cls_SaleOfReceivablesUnderFacilityProgramMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SaleOfReceivablesUnderFacilityProgramMember" xlink:to="lab_cls_SaleOfReceivablesUnderFacilityProgramMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_e2bb699a-8ad3-4907-87d8-13755b8a7817_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LesseeLeasesDescriptionTable_22bceb29-ae9b-408f-91b9-e39baf45e015_terseLabel_en-US" xlink:label="lab_cls_LesseeLeasesDescriptionTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lessee, Leases, Description [Table]</link:label>
    <link:label id="lab_cls_LesseeLeasesDescriptionTable_label_en-US" xlink:label="lab_cls_LesseeLeasesDescriptionTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lessee, Leases, Description [Table]</link:label>
    <link:label id="lab_cls_LesseeLeasesDescriptionTable_documentation_en-US" xlink:label="lab_cls_LesseeLeasesDescriptionTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lessee, Leases, Description [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LesseeLeasesDescriptionTable" xlink:href="cls-20221231.xsd#cls_LesseeLeasesDescriptionTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LesseeLeasesDescriptionTable" xlink:to="lab_cls_LesseeLeasesDescriptionTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_faa6f24f-0bbb-403b-9e24-11f230dde559_terseLabel_en-US" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amortization of intangible assets</link:label>
    <link:label id="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_0c6a73e3-22d3-411c-b173-391cf808e8d7_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amortization</link:label>
    <link:label id="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_21158cf9-43d6-4145-9b1d-0b8d2e7774d7_verboseLabel_en-US" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amortization of intangible assets (excluding computer software)</link:label>
    <link:label id="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amortisation, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill_4ac9e908-edbb-4730-b6e0-c4cf847668d3_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impairment loss recognised in profit or loss, intangible assets and goodwill</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impairment loss recognised in profit or loss, intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfInventoriesAbstract_label_en-US" xlink:label="lab_ifrs-full_ClassesOfInventoriesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of current inventories [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfInventoriesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfInventoriesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfInventoriesAbstract" xlink:to="lab_ifrs-full_ClassesOfInventoriesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_6e002f4b-d1a2-41a7-996a-b62c4014d3f2_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current liabilities:</link:label>
    <link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TaxEffectFromTaxIncentives_9cfab777-b88d-4a0d-8d5c-903cd04f1cac_terseLabel_en-US" xlink:label="lab_cls_TaxEffectFromTaxIncentives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax effect from tax incentives</link:label>
    <link:label id="lab_cls_TaxEffectFromTaxIncentives_label_en-US" xlink:label="lab_cls_TaxEffectFromTaxIncentives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Effect From Tax Incentives</link:label>
    <link:label id="lab_cls_TaxEffectFromTaxIncentives_documentation_en-US" xlink:label="lab_cls_TaxEffectFromTaxIncentives" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Effect From Tax Incentives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TaxEffectFromTaxIncentives" xlink:href="cls-20221231.xsd#cls_TaxEffectFromTaxIncentives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TaxEffectFromTaxIncentives" xlink:to="lab_cls_TaxEffectFromTaxIncentives" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019_c5421fa7-5b11-4d08-9184-46f50d05fd2e_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average exercise price, granted (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average exercise price of share options granted in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NoncurrentProvisionsAndOtherNoncurrentLiabilities_88631e9e-62a7-4ab0-a032-085e92b43cf6_terseLabel_en-US" xlink:label="lab_cls_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Provisions and other non-current liabilities</link:label>
    <link:label id="lab_cls_NoncurrentProvisionsAndOtherNoncurrentLiabilities_label_en-US" xlink:label="lab_cls_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-current Provisions And Other Non-current Liabilities</link:label>
    <link:label id="lab_cls_NoncurrentProvisionsAndOtherNoncurrentLiabilities_documentation_en-US" xlink:label="lab_cls_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-current Provisions And Other Non-current Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:href="cls-20221231.xsd#cls_NoncurrentProvisionsAndOtherNoncurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:to="lab_cls_NoncurrentProvisionsAndOtherNoncurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesMaximumLimit_23d6fe9c-f33b-4cfb-9c97-bd9eb3c145db_terseLabel_en-US" xlink:label="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesMaximumLimit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Agreement to sell trade receivables, maximum capacity</link:label>
    <link:label id="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesMaximumLimit_label_en-US" xlink:label="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesMaximumLimit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transfer Of Financial Assets Accounted For As Sales, Maximum Limit</link:label>
    <link:label id="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesMaximumLimit_documentation_en-US" xlink:label="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesMaximumLimit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transfer Of Financial Assets Accounted For As Sales, Maximum Limit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TransferOfFinancialAssetsAccountedForAsSalesMaximumLimit" xlink:href="cls-20221231.xsd#cls_TransferOfFinancialAssetsAccountedForAsSalesMaximumLimit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TransferOfFinancialAssetsAccountedForAsSalesMaximumLimit" xlink:to="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesMaximumLimit" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ShareRepurchaseProgramTermOfAutomaticAnnualExtension_62ec8883-7a6b-4d9d-b9f5-7487fce2784d_terseLabel_en-US" xlink:label="lab_cls_ShareRepurchaseProgramTermOfAutomaticAnnualExtension" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Automatic annual extension term</link:label>
    <link:label id="lab_cls_ShareRepurchaseProgramTermOfAutomaticAnnualExtension_label_en-US" xlink:label="lab_cls_ShareRepurchaseProgramTermOfAutomaticAnnualExtension" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share Repurchase Program, Term Of Automatic Annual Extension</link:label>
    <link:label id="lab_cls_ShareRepurchaseProgramTermOfAutomaticAnnualExtension_documentation_en-US" xlink:label="lab_cls_ShareRepurchaseProgramTermOfAutomaticAnnualExtension" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share Repurchase Program, Term Of Automatic Annual Extension</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ShareRepurchaseProgramTermOfAutomaticAnnualExtension" xlink:href="cls-20221231.xsd#cls_ShareRepurchaseProgramTermOfAutomaticAnnualExtension"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ShareRepurchaseProgramTermOfAutomaticAnnualExtension" xlink:to="lab_cls_ShareRepurchaseProgramTermOfAutomaticAnnualExtension" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwillMember_87e8c18f-98fc-4eff-9c92-c465808fb82a_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets and goodwill</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwillMember_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets and goodwill [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsAndGoodwillMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TopOfRangeMember_21736848-3cfb-47dc-a361-d56defb7c428_terseLabel_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Top of range</link:label>
    <link:label id="lab_ifrs-full_TopOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Top of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TopOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TopOfRangeMember" xlink:to="lab_ifrs-full_TopOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxAsset_06dda44c-0560-4e40-8b1f-99423bede241_terseLabel_en-US" xlink:label="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Relating To Business Combinations, Deferred Tax Asset</link:label>
    <link:label id="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxAsset_label_en-US" xlink:label="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Relating To Business Combinations, Deferred Tax Asset</link:label>
    <link:label id="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxAsset_documentation_en-US" xlink:label="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Relating To Business Combinations, Deferred Tax Asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxAsset" xlink:href="cls-20221231.xsd#cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxAsset" xlink:to="lab_cls_DeferredTaxRelatingToBusinessCombinationsDeferredTaxAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory_44d38638-3cf2-4eee-b114-f17f725c1245_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Fair Value Measurement of Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of fair value measurement of liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherProvisionsMember_48520ef8-a607-42df-b3cb-a05a3713150c_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other provisions</link:label>
    <link:label id="lab_ifrs-full_OtherProvisionsMember_label_en-US" xlink:label="lab_ifrs-full_OtherProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other provisions [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherProvisionsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherProvisionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherProvisionsMember" xlink:to="lab_ifrs-full_OtherProvisionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember_b1df068b-c31e-49a4-8f83-550a998747f6_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets other than goodwill</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets other than goodwill [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowHedgesMember_98e08001-34b3-4af3-affd-ef118ff66a2f_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowHedgesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash flow hedges</link:label>
    <link:label id="lab_ifrs-full_CashFlowHedgesMember_label_en-US" xlink:label="lab_ifrs-full_CashFlowHedgesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash flow hedges [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowHedgesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowHedgesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowHedgesMember" xlink:to="lab_ifrs-full_CashFlowHedgesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_GrowthRateUsedToExtrapolateCashFlowProjectionsTerm_a056ee21-60a1-4aed-993e-6356681b9cbe_terseLabel_en-US" xlink:label="lab_cls_GrowthRateUsedToExtrapolateCashFlowProjectionsTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Term used to extrapolate cash flow projections (in years)</link:label>
    <link:label id="lab_cls_GrowthRateUsedToExtrapolateCashFlowProjectionsTerm_label_en-US" xlink:label="lab_cls_GrowthRateUsedToExtrapolateCashFlowProjectionsTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Growth Rate Used To Extrapolate Cash Flow Projections, Term</link:label>
    <link:label id="lab_cls_GrowthRateUsedToExtrapolateCashFlowProjectionsTerm_documentation_en-US" xlink:label="lab_cls_GrowthRateUsedToExtrapolateCashFlowProjectionsTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Growth Rate Used To Extrapolate Cash Flow Projections, Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_GrowthRateUsedToExtrapolateCashFlowProjectionsTerm" xlink:href="cls-20221231.xsd#cls_GrowthRateUsedToExtrapolateCashFlowProjectionsTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_GrowthRateUsedToExtrapolateCashFlowProjectionsTerm" xlink:to="lab_cls_GrowthRateUsedToExtrapolateCashFlowProjectionsTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherPayablesToTradeSuppliers_50f99d19-dfdb-45d5-a45e-3380fa996691_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherPayablesToTradeSuppliers_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trade payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TradeAndOtherPayablesToTradeSuppliers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:to="lab_ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OtherAssetsAmountContributedToFairValueOfPlanAssetsAllocationPercentage_146f81ed-a83b-4979-b333-37bf75fa100e_terseLabel_en-US" xlink:label="lab_cls_OtherAssetsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other, allocation percentage</link:label>
    <link:label id="lab_cls_OtherAssetsAmountContributedToFairValueOfPlanAssetsAllocationPercentage_label_en-US" xlink:label="lab_cls_OtherAssetsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Assets, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage</link:label>
    <link:label id="lab_cls_OtherAssetsAmountContributedToFairValueOfPlanAssetsAllocationPercentage_documentation_en-US" xlink:label="lab_cls_OtherAssetsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Assets, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OtherAssetsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:href="cls-20221231.xsd#cls_OtherAssetsAmountContributedToFairValueOfPlanAssetsAllocationPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OtherAssetsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:to="lab_cls_OtherAssetsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LeasesNotYetCommencedLeaseTerm_8c70b472-1324-4ec5-8aef-c5c1c4a7eb9b_terseLabel_en-US" xlink:label="lab_cls_LeasesNotYetCommencedLeaseTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lease term on lease not yet commenced (in years)</link:label>
    <link:label id="lab_cls_LeasesNotYetCommencedLeaseTerm_label_en-US" xlink:label="lab_cls_LeasesNotYetCommencedLeaseTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Leases, Not Yet Commenced, Lease Term</link:label>
    <link:label id="lab_cls_LeasesNotYetCommencedLeaseTerm_documentation_en-US" xlink:label="lab_cls_LeasesNotYetCommencedLeaseTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Leases, Not Yet Commenced, Lease Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LeasesNotYetCommencedLeaseTerm" xlink:href="cls-20221231.xsd#cls_LeasesNotYetCommencedLeaseTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LeasesNotYetCommencedLeaseTerm" xlink:to="lab_cls_LeasesNotYetCommencedLeaseTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets_47a3c124-6696-4fc7-ba80-6bd3c8b3c01d_terseLabel_en-US" xlink:label="lab_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Allowance for doubtful accounts</link:label>
    <link:label id="lab_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Allowance account for credit losses of financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:to="lab_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory_9ba678ce-2dc0-4858-9509-bf8754e5bd67_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Fair Value Measurement of Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of fair value measurement of assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract_d24cc33b-e3bc-4624-8b85-5ef4e742ab7b_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of comprehensive income [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of comprehensive income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_eaee6acc-1c19-460d-87a8-3925cdf1c934_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_6963234a-1511-473f-8cd0-0a862afe9277_verboseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RentalExpense_797ac86a-0680-47bc-94a6-e6d9df83a535_terseLabel_en-US" xlink:label="lab_ifrs-full_RentalExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rental expense</link:label>
    <link:label id="lab_ifrs-full_RentalExpense_label_en-US" xlink:label="lab_ifrs-full_RentalExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rental expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RentalExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RentalExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RentalExpense" xlink:to="lab_ifrs-full_RentalExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExplanationOfMeasurementBasesUsedInPreparingFinancialStatements_093fb614-5e02-4d8f-8c2f-56eea9bbdc8e_terseLabel_en-US" xlink:label="lab_ifrs-full_ExplanationOfMeasurementBasesUsedInPreparingFinancialStatements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basis of measurement</link:label>
    <link:label id="lab_ifrs-full_ExplanationOfMeasurementBasesUsedInPreparingFinancialStatements_label_en-US" xlink:label="lab_ifrs-full_ExplanationOfMeasurementBasesUsedInPreparingFinancialStatements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Explanation of measurement bases used in preparing financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExplanationOfMeasurementBasesUsedInPreparingFinancialStatements" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ExplanationOfMeasurementBasesUsedInPreparingFinancialStatements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExplanationOfMeasurementBasesUsedInPreparingFinancialStatements" xlink:to="lab_ifrs-full_ExplanationOfMeasurementBasesUsedInPreparingFinancialStatements" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill_bce64084-0be6-4b05-963d-788d664b22aa_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Foreign exchange and other</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) through net exchange differences, intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_FinancialInstrumentsAbstract_bfd32d85-28f7-40e2-a290-f735f6513ba9_terseLabel_en-US" xlink:label="lab_cls_FinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial Instruments [Abstract]</link:label>
    <link:label id="lab_cls_FinancialInstrumentsAbstract_label_en-US" xlink:label="lab_cls_FinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial Instruments [Abstract]</link:label>
    <link:label id="lab_cls_FinancialInstrumentsAbstract_documentation_en-US" xlink:label="lab_cls_FinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial Instruments [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_FinancialInstrumentsAbstract" xlink:href="cls-20221231.xsd#cls_FinancialInstrumentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_FinancialInstrumentsAbstract" xlink:to="lab_cls_FinancialInstrumentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredTaxExpenseIncomeRelatingToTemporaryDifferencesUndistributedForeignEarnings_0354575b-a734-445c-a6a5-25516cb43879_terseLabel_en-US" xlink:label="lab_cls_DeferredTaxExpenseIncomeRelatingToTemporaryDifferencesUndistributedForeignEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax expense, repatriated undistributed foreign earnings</link:label>
    <link:label id="lab_cls_DeferredTaxExpenseIncomeRelatingToTemporaryDifferencesUndistributedForeignEarnings_label_en-US" xlink:label="lab_cls_DeferredTaxExpenseIncomeRelatingToTemporaryDifferencesUndistributedForeignEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Expense (Income) Relating To Temporary Differences, Undistributed Foreign Earnings</link:label>
    <link:label id="lab_cls_DeferredTaxExpenseIncomeRelatingToTemporaryDifferencesUndistributedForeignEarnings_documentation_en-US" xlink:label="lab_cls_DeferredTaxExpenseIncomeRelatingToTemporaryDifferencesUndistributedForeignEarnings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Expense (Income) Relating To Temporary Differences, Undistributed Foreign Earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredTaxExpenseIncomeRelatingToTemporaryDifferencesUndistributedForeignEarnings" xlink:href="cls-20221231.xsd#cls_DeferredTaxExpenseIncomeRelatingToTemporaryDifferencesUndistributedForeignEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredTaxExpenseIncomeRelatingToTemporaryDifferencesUndistributedForeignEarnings" xlink:to="lab_cls_DeferredTaxExpenseIncomeRelatingToTemporaryDifferencesUndistributedForeignEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_7668d7ec-285a-47a5-9cff-600e624738f4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of inventories [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfInventoriesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod_ece1df52-51b5-42bd-8dd6-8c50d4c99bc8_terseLabel_en-US" xlink:label="lab_cls_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Estimated useful life of intangible assets</link:label>
    <link:label id="lab_cls_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod_label_en-US" xlink:label="lab_cls_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Useful Lives Or Amortisation Rates, Intangible Assets Other Than Goodwill, Period</link:label>
    <link:label id="lab_cls_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod_documentation_en-US" xlink:label="lab_cls_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Useful Lives Or Amortisation Rates, Intangible Assets Other Than Goodwill, Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod" xlink:href="cls-20221231.xsd#cls_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod" xlink:to="lab_cls_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferTable_709aa80d-4fef-4a55-8f08-692de7ad0dba_terseLabel_en-US" xlink:label="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derecognition of Financial Assets by Type of Transfer [Table]</link:label>
    <link:label id="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferTable_label_en-US" xlink:label="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derecognition of Financial Assets by Type of Transfer [Table]</link:label>
    <link:label id="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferTable_documentation_en-US" xlink:label="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derecognition of Financial Assets by Type of Transfer [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DerecognitionofFinancialAssetsbyTypeofTransferTable" xlink:href="cls-20221231.xsd#cls_DerecognitionofFinancialAssetsbyTypeofTransferTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DerecognitionofFinancialAssetsbyTypeofTransferTable" xlink:to="lab_cls_DerecognitionofFinancialAssetsbyTypeofTransferTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_cde5a3f7-0a20-4727-b8d7-2c5fb70a3b4b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right-Of-Use Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of leases [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfLeasesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PropertyPlantAndEquipmentAndIntangiblesRelatedTemporaryDifferencesMember_d8106030-8293-45d8-b399-07cb0f6458d6_terseLabel_en-US" xlink:label="lab_cls_PropertyPlantAndEquipmentAndIntangiblesRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment and intangibles</link:label>
    <link:label id="lab_cls_PropertyPlantAndEquipmentAndIntangiblesRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_cls_PropertyPlantAndEquipmentAndIntangiblesRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant And Equipment And Intangibles Related Temporary Differences [Member]</link:label>
    <link:label id="lab_cls_PropertyPlantAndEquipmentAndIntangiblesRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_cls_PropertyPlantAndEquipmentAndIntangiblesRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant And Equipment And Intangibles Related Temporary Differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PropertyPlantAndEquipmentAndIntangiblesRelatedTemporaryDifferencesMember" xlink:href="cls-20221231.xsd#cls_PropertyPlantAndEquipmentAndIntangiblesRelatedTemporaryDifferencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PropertyPlantAndEquipmentAndIntangiblesRelatedTemporaryDifferencesMember" xlink:to="lab_cls_PropertyPlantAndEquipmentAndIntangiblesRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentAbstract_cd929beb-781e-4347-986e-a1878d55e6bc_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment [abstract]</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ConcentrationRiskByBenchmark1Axis_ed220fff-b7ac-405a-9454-bb485ee6022c_terseLabel_en-US" xlink:label="lab_cls_ConcentrationRiskByBenchmark1Axis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk By Benchmark1 [Axis]</link:label>
    <link:label id="lab_cls_ConcentrationRiskByBenchmark1Axis_label_en-US" xlink:label="lab_cls_ConcentrationRiskByBenchmark1Axis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk By Benchmark1 [Axis]</link:label>
    <link:label id="lab_cls_ConcentrationRiskByBenchmark1Axis_documentation_en-US" xlink:label="lab_cls_ConcentrationRiskByBenchmark1Axis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk By Benchmark1 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ConcentrationRiskByBenchmark1Axis" xlink:href="cls-20221231.xsd#cls_ConcentrationRiskByBenchmark1Axis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ConcentrationRiskByBenchmark1Axis" xlink:to="lab_cls_ConcentrationRiskByBenchmark1Axis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract_b0c88796-e8ac-42fc-85e0-568c9e1498ad_terseLabel_en-US" xlink:label="lab_cls_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]</link:label>
    <link:label id="lab_cls_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract_label_en-US" xlink:label="lab_cls_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]</link:label>
    <link:label id="lab_cls_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract_documentation_en-US" xlink:label="lab_cls_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Provisions, Contingent Liabilities And Contingent Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" xlink:href="cls-20221231.xsd#cls_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" xlink:to="lab_cls_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NoncurrentPortionOfBorrowingsAndLeaseLiabilities_f319ac45-1a15-4d10-9c83-fe98e4d31126_terseLabel_en-US" xlink:label="lab_cls_NoncurrentPortionOfBorrowingsAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term portion of borrowings under credit facility &amp; lease obligations</link:label>
    <link:label id="lab_cls_NoncurrentPortionOfBorrowingsAndLeaseLiabilities_edb154a4-7cac-4bf3-9266-8a132ac60a0b_verboseLabel_en-US" xlink:label="lab_cls_NoncurrentPortionOfBorrowingsAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term portion</link:label>
    <link:label id="lab_cls_NoncurrentPortionOfBorrowingsAndLeaseLiabilities_label_en-US" xlink:label="lab_cls_NoncurrentPortionOfBorrowingsAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-current Portion Of Borrowings And Lease Liabilities</link:label>
    <link:label id="lab_cls_NoncurrentPortionOfBorrowingsAndLeaseLiabilities_documentation_en-US" xlink:label="lab_cls_NoncurrentPortionOfBorrowingsAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-current Portion Of Borrowings And Lease Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NoncurrentPortionOfBorrowingsAndLeaseLiabilities" xlink:href="cls-20221231.xsd#cls_NoncurrentPortionOfBorrowingsAndLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NoncurrentPortionOfBorrowingsAndLeaseLiabilities" xlink:to="lab_cls_NoncurrentPortionOfBorrowingsAndLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset_3bbb9fe2-6b1d-46a3-a1bd-c230b832de41_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">&#8212; Changes in demographic assumptions</link:label>
    <link:label id="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Decrease (increase) in net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in demographic assumptions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_AsiaMember_a700ecf6-d897-493b-a603-c4dae7a66dd5_terseLabel_en-US" xlink:label="lab_srt_AsiaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Asia</link:label>
    <link:label id="lab_srt_AsiaMember_label_en-US" xlink:label="lab_srt_AsiaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Asia [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AsiaMember" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_AsiaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_AsiaMember" xlink:to="lab_srt_AsiaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfExpensesExplanatory_f725035d-6868-4090-95d8-830174b6d742_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfExpensesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Charges, Net of Recoveries</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfExpensesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfExpensesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of expenses [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfExpensesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfExpensesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfExpensesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfExpensesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContractAssets_cea0840b-2d9a-491b-842f-d7cdb0c386d7_terseLabel_en-US" xlink:label="lab_ifrs-full_ContractAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contract assets</link:label>
    <link:label id="lab_ifrs-full_ContractAssets_label_en-US" xlink:label="lab_ifrs-full_ContractAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contract assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContractAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ContractAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContractAssets" xlink:to="lab_ifrs-full_ContractAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_7a1109a4-5b2f-455c-b1b1-c78769546ff0_totalLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Key management personnel compensation</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Key management personnel compensation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ReleaseOfIndirectTaxLiabilitiesPreviouslyRecordedInConnectionWithAPreviousAcquisitionRecognizedInAcquisitionCosts_6db2fc52-36d7-4c29-954e-0f2602da3ab0_terseLabel_en-US" xlink:label="lab_cls_ReleaseOfIndirectTaxLiabilitiesPreviouslyRecordedInConnectionWithAPreviousAcquisitionRecognizedInAcquisitionCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustment of acquisition costs related to indirect tax liabilities recognized</link:label>
    <link:label id="lab_cls_ReleaseOfIndirectTaxLiabilitiesPreviouslyRecordedInConnectionWithAPreviousAcquisitionRecognizedInAcquisitionCosts_label_en-US" xlink:label="lab_cls_ReleaseOfIndirectTaxLiabilitiesPreviouslyRecordedInConnectionWithAPreviousAcquisitionRecognizedInAcquisitionCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Release Of Indirect Tax Liabilities Previously Recorded In Connection With A Previous Acquisition Recognized In Acquisition Costs</link:label>
    <link:label id="lab_cls_ReleaseOfIndirectTaxLiabilitiesPreviouslyRecordedInConnectionWithAPreviousAcquisitionRecognizedInAcquisitionCosts_documentation_en-US" xlink:label="lab_cls_ReleaseOfIndirectTaxLiabilitiesPreviouslyRecordedInConnectionWithAPreviousAcquisitionRecognizedInAcquisitionCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Release of indirect tax liabilities previously recorded in connection with a previous acquisition recognized in acquisition costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ReleaseOfIndirectTaxLiabilitiesPreviouslyRecordedInConnectionWithAPreviousAcquisitionRecognizedInAcquisitionCosts" xlink:href="cls-20221231.xsd#cls_ReleaseOfIndirectTaxLiabilitiesPreviouslyRecordedInConnectionWithAPreviousAcquisitionRecognizedInAcquisitionCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ReleaseOfIndirectTaxLiabilitiesPreviouslyRecordedInConnectionWithAPreviousAcquisitionRecognizedInAcquisitionCosts" xlink:to="lab_cls_ReleaseOfIndirectTaxLiabilitiesPreviouslyRecordedInConnectionWithAPreviousAcquisitionRecognizedInAcquisitionCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_33648670-de1d-4378-8712-24c4dfa6372b_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_a8ae9744-eca9-4d97-a04f-5aef1d164aea_terseLabel_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding [Roll Forward]</link:label>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_label_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding [Roll Forward]</link:label>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_documentation_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:href="cls-20221231.xsd#cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory_ec611887-e346-4f56-88a0-791788c702d8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Number and Weighted Average Remaining Contractual Life of Outstanding Share Options</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of number and weighted average remaining contractual life of outstanding share options [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_705e7fbd-6d40-4693-8c60-0c29244dc864_terseLabel_en-US" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Foreign Currency Risk Analysis</link:label>
    <link:label id="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_label_en-US" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity analysis for types of market risk [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:to="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CorporateInformationAndStatementOfIFRSComplianceAbstract_d8723dac-8203-4dea-9500-7152a6205483_terseLabel_en-US" xlink:label="lab_cls_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Corporate Information And Statement Of IFRS Compliance [Abstract]</link:label>
    <link:label id="lab_cls_CorporateInformationAndStatementOfIFRSComplianceAbstract_label_en-US" xlink:label="lab_cls_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Corporate Information And Statement Of IFRS Compliance [Abstract]</link:label>
    <link:label id="lab_cls_CorporateInformationAndStatementOfIFRSComplianceAbstract_documentation_en-US" xlink:label="lab_cls_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Corporate Information And Statement Of IFRS Compliance [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:href="cls-20221231.xsd#cls_CorporateInformationAndStatementOfIFRSComplianceAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:to="lab_cls_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019_969d2157-2060-4000-9ebe-e5741080b8f6_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average duration of benefit obligations (in years)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average duration of defined benefit obligation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xlink:to="lab_ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CityAreaCode_32fe4330-aac2-46ee-a377-8af9c7503e5b_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">City Area Code</link:label>
    <link:label id="lab_dei_CityAreaCode_label_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">City Area Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CityAreaCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode" xlink:to="lab_dei_CityAreaCode" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_MachineryAndEquipment1Member_9599f256-16a7-4e6a-b313-85f67055d531_terseLabel_en-US" xlink:label="lab_cls_MachineryAndEquipment1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Machinery and equipment</link:label>
    <link:label id="lab_cls_MachineryAndEquipment1Member_label_en-US" xlink:label="lab_cls_MachineryAndEquipment1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Machinery And Equipment1 [Member]</link:label>
    <link:label id="lab_cls_MachineryAndEquipment1Member_documentation_en-US" xlink:label="lab_cls_MachineryAndEquipment1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Machinery and Equipment [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_MachineryAndEquipment1Member" xlink:href="cls-20221231.xsd#cls_MachineryAndEquipment1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_MachineryAndEquipment1Member" xlink:to="lab_cls_MachineryAndEquipment1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_681f1b00-3bdc-4433-833d-703b4e543db0_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Diluted (in shares)</link:label>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_5ad356db-9a01-4501-a9e9-c44662c86ef5_totalLabel_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average number of shares (diluted) (in shares)</link:label>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average number of ordinary shares used in calculating diluted earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustedWeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:to="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_44e211f3-2f7a-4799-9bc9-4f3cb0c9a091_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Items that will not be reclassified to net earnings:</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_FireEventMember_6b5eb18b-9b76-4da8-8846-7d6b110e504d_terseLabel_en-US" xlink:label="lab_cls_FireEventMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fire Event</link:label>
    <link:label id="lab_cls_FireEventMember_label_en-US" xlink:label="lab_cls_FireEventMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fire Event [Member]</link:label>
    <link:label id="lab_cls_FireEventMember_documentation_en-US" xlink:label="lab_cls_FireEventMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fire Event</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_FireEventMember" xlink:href="cls-20221231.xsd#cls_FireEventMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_FireEventMember" xlink:to="lab_cls_FireEventMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_8d1cde5c-8a86-4215-bc17-d93d1ab0ad0a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial Instruments and Risk Management</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems_ffde97c7-a5cd-4ef1-b2ca-7b3502a54fd9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of operating segments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of operating segments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_HedgedItemSubjectToCancellationLiabilities_43c9e5d0-db45-4734-a345-ed71f2e82108_terseLabel_en-US" xlink:label="lab_cls_HedgedItemSubjectToCancellationLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedged item, subject to cancellation</link:label>
    <link:label id="lab_cls_HedgedItemSubjectToCancellationLiabilities_label_en-US" xlink:label="lab_cls_HedgedItemSubjectToCancellationLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedged Item, Subject To Cancellation, Liabilities</link:label>
    <link:label id="lab_cls_HedgedItemSubjectToCancellationLiabilities_documentation_en-US" xlink:label="lab_cls_HedgedItemSubjectToCancellationLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedged Item, Subject To Cancellation, Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_HedgedItemSubjectToCancellationLiabilities" xlink:href="cls-20221231.xsd#cls_HedgedItemSubjectToCancellationLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_HedgedItemSubjectToCancellationLiabilities" xlink:to="lab_cls_HedgedItemSubjectToCancellationLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_e6f6a128-7d85-462a-a9ab-f69db9f110fc_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average grant date fair value per option (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average share price, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:to="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentConsolidationItemsAxis_ae03c81e-b116-444d-9cec-f1870307fff1_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment consolidation items [axis]</link:label>
    <link:label id="lab_ifrs-full_SegmentConsolidationItemsAxis_label_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment consolidation items [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentConsolidationItemsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentConsolidationItemsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentConsolidationItemsAxis" xlink:to="lab_ifrs-full_SegmentConsolidationItemsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of information about defined benefit plans [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract" xlink:to="lab_ifrs-full_DisclosureOfInformationAboutDefinedBenefitPlansAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis_461c1e0d-7917-403b-afa5-c06f98ff1c44_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Margin for borrowings (percent)</link:label>
    <link:label id="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings, adjustment to interest rate basis</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsAdjustmentToInterestRateBasis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:to="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019_7095a6e0-ad31-4fb3-9322-475252332656_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average exercise price, exercised (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PresentValueOfDefinedBenefitObligationMember_17ed0fa6-ee22-47a0-bca7-778b58a1f44d_terseLabel_en-US" xlink:label="lab_ifrs-full_PresentValueOfDefinedBenefitObligationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrued benefit obligations</link:label>
    <link:label id="lab_ifrs-full_PresentValueOfDefinedBenefitObligationMember_label_en-US" xlink:label="lab_ifrs-full_PresentValueOfDefinedBenefitObligationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Present value of defined benefit obligation [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PresentValueOfDefinedBenefitObligationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PresentValueOfDefinedBenefitObligationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PresentValueOfDefinedBenefitObligationMember" xlink:to="lab_ifrs-full_PresentValueOfDefinedBenefitObligationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_d76e4bc9-9788-414d-a83e-4d3613b71a22_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current year</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxExpenseIncome" xlink:to="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_stpr_TX_36fd22d6-704d-4543-a099-5bb1ee818bd8_terseLabel_en-US" xlink:label="lab_stpr_TX" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">TEXAS</link:label>
    <link:label id="lab_stpr_TX_label_en-US" xlink:label="lab_stpr_TX" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">TEXAS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_TX" xlink:href="https://xbrl.sec.gov/stpr/2022/stpr-2022.xsd#stpr_TX"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_stpr_TX" xlink:to="lab_stpr_TX" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets_3bc68f4d-e3ad-4a75-8889-1d2560c0993f_terseLabel_en-US" xlink:label="lab_ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt investment funds</link:label>
    <link:label id="lab_ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets_label_en-US" xlink:label="lab_ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt instruments, amount contributed to fair value of plan assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:to="lab_ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardRequisiteServicePeriod2_9bc11ebf-489c-4868-a75b-82184863b4bc_terseLabel_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardRequisiteServicePeriod2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Award requisite service period</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardRequisiteServicePeriod2_label_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardRequisiteServicePeriod2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period2</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardRequisiteServicePeriod2_documentation_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardRequisiteServicePeriod2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardRequisiteServicePeriod2" xlink:href="cls-20221231.xsd#cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardRequisiteServicePeriod2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardRequisiteServicePeriod2" xlink:to="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardRequisiteServicePeriod2" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_55fb5ec7-df3c-4016-ac09-0c4b6f4f6779_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Categories of related parties [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Categories of related parties [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_NameOfMajorCustomerDomain_08d7cc7a-9a1e-47e2-9375-c2daacb1555d_terseLabel_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customers [member]</link:label>
    <link:label id="lab_srt_NameOfMajorCustomerDomain_label_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_NameOfMajorCustomerDomain" xlink:to="lab_srt_NameOfMajorCustomerDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAbstract_86b41222-2ce8-47d7-bb2b-826bcd013671_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total comprehensive income:</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Comprehensive income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_ComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_d26f6d7f-ffda-4a44-a4d6-48e83cb5f906_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_StatementOfChangesInEquityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:to="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IntellectualProperty1Member_9ecda79a-961d-44a4-b5f9-5fd182a73171_terseLabel_en-US" xlink:label="lab_cls_IntellectualProperty1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intellectual property</link:label>
    <link:label id="lab_cls_IntellectualProperty1Member_label_en-US" xlink:label="lab_cls_IntellectualProperty1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intellectual Property1 [Member]</link:label>
    <link:label id="lab_cls_IntellectualProperty1Member_documentation_en-US" xlink:label="lab_cls_IntellectualProperty1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intellectual Property1 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IntellectualProperty1Member" xlink:href="cls-20221231.xsd#cls_IntellectualProperty1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IntellectualProperty1Member" xlink:to="lab_cls_IntellectualProperty1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_MiddleOfRangeMember_4a696dfc-6e2b-4a2d-ab41-8da552f9301d_terseLabel_en-US" xlink:label="lab_cls_MiddleOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Middle Of Range</link:label>
    <link:label id="lab_cls_MiddleOfRangeMember_label_en-US" xlink:label="lab_cls_MiddleOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Middle Of Range [Member]</link:label>
    <link:label id="lab_cls_MiddleOfRangeMember_documentation_en-US" xlink:label="lab_cls_MiddleOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Middle Of Range [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_MiddleOfRangeMember" xlink:href="cls-20221231.xsd#cls_MiddleOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_MiddleOfRangeMember" xlink:to="lab_cls_MiddleOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PlanAssetsAtFairValue_15ce247f-e8a4-4ec1-9d24-1ec07e32a330_terseLabel_en-US" xlink:label="lab_ifrs-full_PlanAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan assets, at fair value</link:label>
    <link:label id="lab_ifrs-full_PlanAssetsAtFairValue_38db4b70-e745-48ec-b040-936f543bb58b_totalLabel_en-US" xlink:label="lab_ifrs-full_PlanAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_PlanAssetsAtFairValue_6cf398c8-3220-4e58-a92c-9ef4f1c601f6_netLabel_en-US" xlink:label="lab_ifrs-full_PlanAssetsAtFairValue" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan assets, end of year</link:label>
    <link:label id="lab_ifrs-full_PlanAssetsAtFairValue_label_en-US" xlink:label="lab_ifrs-full_PlanAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan assets, at fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PlanAssetsAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PlanAssetsAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PlanAssetsAtFairValue" xlink:to="lab_ifrs-full_PlanAssetsAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AssociateSharePurchasePlanASPPMember_3cf49df6-1778-47d2-9c72-056601e6f229_terseLabel_en-US" xlink:label="lab_cls_AssociateSharePurchasePlanASPPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">ASPP</link:label>
    <link:label id="lab_cls_AssociateSharePurchasePlanASPPMember_label_en-US" xlink:label="lab_cls_AssociateSharePurchasePlanASPPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Associate Share Purchase Plan (ASPP) [Member]</link:label>
    <link:label id="lab_cls_AssociateSharePurchasePlanASPPMember_documentation_en-US" xlink:label="lab_cls_AssociateSharePurchasePlanASPPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Associate Share Purchase Plan (ASPP)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AssociateSharePurchasePlanASPPMember" xlink:href="cls-20221231.xsd#cls_AssociateSharePurchasePlanASPPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AssociateSharePurchasePlanASPPMember" xlink:to="lab_cls_AssociateSharePurchasePlanASPPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressPostalZipCode_3bc0defa-905c-48ba-bdc4-57e112e71b89_terseLabel_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
    <link:label id="lab_dei_EntityAddressPostalZipCode_label_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressPostalZipCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode" xlink:to="lab_dei_EntityAddressPostalZipCode" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems_b28811e1-0ec5-4620-aeea-515e0f021aa8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about intangible assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about intangible assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfIntangibleAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_FinancingReceivablePercentPastDue2_90721c36-80db-4f0d-8f33-03877106e718_terseLabel_en-US" xlink:label="lab_cls_FinancingReceivablePercentPastDue2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percent of gross accounts receivable over 90 days past due (less than in 2021)</link:label>
    <link:label id="lab_cls_FinancingReceivablePercentPastDue2_label_en-US" xlink:label="lab_cls_FinancingReceivablePercentPastDue2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financing Receivable, Percent Past Due2</link:label>
    <link:label id="lab_cls_FinancingReceivablePercentPastDue2_documentation_en-US" xlink:label="lab_cls_FinancingReceivablePercentPastDue2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financing Receivable, Percent Past Due2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_FinancingReceivablePercentPastDue2" xlink:href="cls-20221231.xsd#cls_FinancingReceivablePercentPastDue2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_FinancingReceivablePercentPastDue2" xlink:to="lab_cls_FinancingReceivablePercentPastDue2" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_c7e04830-d641-4e39-bff2-17e4701b5866_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of share options granted in share-based payment arrangement (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_7f024982-c72d-439c-9fc3-67f6c200f4f5_verboseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Granted (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_3ead00c7-a67b-4ef7-86e7-91ca2380f245_netLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of awards (in millions) (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of share options granted in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_MultipleVotingSharesMember_d3f82636-938b-4a0d-885b-3326b1797bbb_terseLabel_en-US" xlink:label="lab_cls_MultipleVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">MVS</link:label>
    <link:label id="lab_cls_MultipleVotingSharesMember_9c2047cf-81a8-4595-ac8a-365786bc44eb_verboseLabel_en-US" xlink:label="lab_cls_MultipleVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Multiple voting shares</link:label>
    <link:label id="lab_cls_MultipleVotingSharesMember_label_en-US" xlink:label="lab_cls_MultipleVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Multiple Voting Shares [Member]</link:label>
    <link:label id="lab_cls_MultipleVotingSharesMember_documentation_en-US" xlink:label="lab_cls_MultipleVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Multiple Voting Shares [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_MultipleVotingSharesMember" xlink:href="cls-20221231.xsd#cls_MultipleVotingSharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_MultipleVotingSharesMember" xlink:to="lab_cls_MultipleVotingSharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember_4895815c-2e5e-4964-a9d7-52017287f866_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Healthcare cost trend rate</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial assumption of medical cost trend rates [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xlink:to="lab_ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NetDeferredTaxAssetsRelatingToSubsidiary_3e06773e-0a3c-4ab0-bef8-125a714a3b57_terseLabel_en-US" xlink:label="lab_cls_NetDeferredTaxAssetsRelatingToSubsidiary" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net deferred tax assets relating to subsidiary</link:label>
    <link:label id="lab_cls_NetDeferredTaxAssetsRelatingToSubsidiary_label_en-US" xlink:label="lab_cls_NetDeferredTaxAssetsRelatingToSubsidiary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Deferred Tax Assets Relating To Subsidiary</link:label>
    <link:label id="lab_cls_NetDeferredTaxAssetsRelatingToSubsidiary_documentation_en-US" xlink:label="lab_cls_NetDeferredTaxAssetsRelatingToSubsidiary" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Deferred Tax Assets Relating To Subsidiary</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NetDeferredTaxAssetsRelatingToSubsidiary" xlink:href="cls-20221231.xsd#cls_NetDeferredTaxAssetsRelatingToSubsidiary"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NetDeferredTaxAssetsRelatingToSubsidiary" xlink:to="lab_cls_NetDeferredTaxAssetsRelatingToSubsidiary" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesOwnedByIndividual_cbbaaefe-ff21-4bd7-89d1-856d5a5bd96e_terseLabel_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesOwnedByIndividual" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares owned (in shares)</link:label>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesOwnedByIndividual_label_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesOwnedByIndividual" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Number Of Shares Owned By Individual</link:label>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesOwnedByIndividual_documentation_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesOwnedByIndividual" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Number Of Shares Owned By Individual</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesOwnedByIndividual" xlink:href="cls-20221231.xsd#cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesOwnedByIndividual"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesOwnedByIndividual" xlink:to="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesOwnedByIndividual" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IntradayAndOvernightBankOverdraftFacilitiesMember_3fbc0732-99de-4170-9409-5c5a65914ff1_terseLabel_en-US" xlink:label="lab_cls_IntradayAndOvernightBankOverdraftFacilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intraday And Overnight Bank Overdraft Facilities</link:label>
    <link:label id="lab_cls_IntradayAndOvernightBankOverdraftFacilitiesMember_label_en-US" xlink:label="lab_cls_IntradayAndOvernightBankOverdraftFacilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intraday And Overnight Bank Overdraft Facilities [Member]</link:label>
    <link:label id="lab_cls_IntradayAndOvernightBankOverdraftFacilitiesMember_documentation_en-US" xlink:label="lab_cls_IntradayAndOvernightBankOverdraftFacilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intraday And Overnight Bank Overdraft Facilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IntradayAndOvernightBankOverdraftFacilitiesMember" xlink:href="cls-20221231.xsd#cls_IntradayAndOvernightBankOverdraftFacilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IntradayAndOvernightBankOverdraftFacilitiesMember" xlink:to="lab_cls_IntradayAndOvernightBankOverdraftFacilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory_d78ccbc9-82f2-4a3a-97f1-cf4f3bf0bf14_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impairment of financial assets</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for impairment of financial assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DefinedBenefitPlanAssumedHealthCareCostTrendRates1Abstract_9b96b6cc-c5bb-4ab6-a6ef-58c15273bb69_terseLabel_en-US" xlink:label="lab_cls_DefinedBenefitPlanAssumedHealthCareCostTrendRates1Abstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Healthcare cost trend rates:</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanAssumedHealthCareCostTrendRates1Abstract_label_en-US" xlink:label="lab_cls_DefinedBenefitPlanAssumedHealthCareCostTrendRates1Abstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Assumed Health Care Cost Trend Rates1 [Abstract]</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanAssumedHealthCareCostTrendRates1Abstract_documentation_en-US" xlink:label="lab_cls_DefinedBenefitPlanAssumedHealthCareCostTrendRates1Abstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DefinedBenefitPlanAssumedHealthCareCostTrendRates1Abstract" xlink:href="cls-20221231.xsd#cls_DefinedBenefitPlanAssumedHealthCareCostTrendRates1Abstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DefinedBenefitPlanAssumedHealthCareCostTrendRates1Abstract" xlink:to="lab_cls_DefinedBenefitPlanAssumedHealthCareCostTrendRates1Abstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarnings_b4fe9aa0-7d95-4964-8d7d-b6a94315dbff_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deficit</link:label>
    <link:label id="lab_ifrs-full_RetainedEarnings_label_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retained earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarnings" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RetainedEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarnings" xlink:to="lab_ifrs-full_RetainedEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_UnusualOrExtraordinaryEventAbstract_fc486dbb-39c5-42ce-9bc1-495408be4f6a_terseLabel_en-US" xlink:label="lab_cls_UnusualOrExtraordinaryEventAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unusual Or Extraordinary Event [Abstract]</link:label>
    <link:label id="lab_cls_UnusualOrExtraordinaryEventAbstract_label_en-US" xlink:label="lab_cls_UnusualOrExtraordinaryEventAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unusual Or Extraordinary Event [Abstract]</link:label>
    <link:label id="lab_cls_UnusualOrExtraordinaryEventAbstract_documentation_en-US" xlink:label="lab_cls_UnusualOrExtraordinaryEventAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unusual Or Extraordinary Event</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_UnusualOrExtraordinaryEventAbstract" xlink:href="cls-20221231.xsd#cls_UnusualOrExtraordinaryEventAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_UnusualOrExtraordinaryEventAbstract" xlink:to="lab_cls_UnusualOrExtraordinaryEventAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BorrowingFacilitiesAcceleratedAmortizationOfDeferredFinancingCosts_0b80e061-0c87-4fcf-ae38-9e42b8d7ecaf_terseLabel_en-US" xlink:label="lab_cls_BorrowingFacilitiesAcceleratedAmortizationOfDeferredFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accelerated amortization of deferred financing costs</link:label>
    <link:label id="lab_cls_BorrowingFacilitiesAcceleratedAmortizationOfDeferredFinancingCosts_label_en-US" xlink:label="lab_cls_BorrowingFacilitiesAcceleratedAmortizationOfDeferredFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowing Facilities, Accelerated Amortization Of Deferred Financing Costs</link:label>
    <link:label id="lab_cls_BorrowingFacilitiesAcceleratedAmortizationOfDeferredFinancingCosts_documentation_en-US" xlink:label="lab_cls_BorrowingFacilitiesAcceleratedAmortizationOfDeferredFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowing Facilities, Accelerated Amortization Of Deferred Financing Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BorrowingFacilitiesAcceleratedAmortizationOfDeferredFinancingCosts" xlink:href="cls-20221231.xsd#cls_BorrowingFacilitiesAcceleratedAmortizationOfDeferredFinancingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BorrowingFacilitiesAcceleratedAmortizationOfDeferredFinancingCosts" xlink:to="lab_cls_BorrowingFacilitiesAcceleratedAmortizationOfDeferredFinancingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeMember_c9d08869-cc6e-4898-859f-beb9f780bd32_terseLabel_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:label id="lab_srt_RangeMember_label_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeMember" xlink:to="lab_srt_RangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountMember_e2a3d0b0-10c6-414c-be71-aa9483417208_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Carrying amount</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountMember" xlink:to="lab_ifrs-full_CarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets_71cc693f-e977-40b5-8621-1cd593071582_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other current assets</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments for decrease (increase) in other current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems_40f52be7-56a9-4338-8da8-72c854fad792_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about hedging instruments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about hedging instruments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationRightofuseAssets_b8b174b4-0638-433a-8a21-9d5aa621dc3a_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Depreciation</link:label>
    <link:label id="lab_ifrs-full_DepreciationRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Depreciation, right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepreciationRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationRightofuseAssets" xlink:to="lab_ifrs-full_DepreciationRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_f67b41cc-a4e9-4629-b96b-4d258d1108d7_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Consideration transferred, acquisition-date fair value</link:label>
    <link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_label_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Consideration transferred, acquisition-date fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:to="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory_9165852c-916f-4882-b4cc-240d68edf039_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisitions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of business combinations [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfBusinessCombinationsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceIncomeCost_7c772010-1406-4af9-903f-84b50f256db1_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_FinanceIncomeCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Finance costs</link:label>
    <link:label id="lab_ifrs-full_FinanceIncomeCost_label_en-US" xlink:label="lab_ifrs-full_FinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Finance income (cost)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceIncomeCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncomeCost" xlink:to="lab_ifrs-full_FinanceIncomeCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareAbstract_288d64ab-2a5d-4484-b244-2bda9881ddd5_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings per share [abstract]</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareAbstract" xlink:to="lab_ifrs-full_EarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TRSAgreementMember_4ee4331e-aaa6-4eb9-98b9-7000df4b08d0_terseLabel_en-US" xlink:label="lab_cls_TRSAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">TRS Agreement</link:label>
    <link:label id="lab_cls_TRSAgreementMember_label_en-US" xlink:label="lab_cls_TRSAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">TRS Agreement [Member]</link:label>
    <link:label id="lab_cls_TRSAgreementMember_documentation_en-US" xlink:label="lab_cls_TRSAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">TRS Agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TRSAgreementMember" xlink:href="cls-20221231.xsd#cls_TRSAgreementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TRSAgreementMember" xlink:to="lab_cls_TRSAgreementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ShareCapitalandSharebasedPaymentArrangementsAbstract_0aebeade-a7d7-4b85-8387-4ddfadb8584a_terseLabel_en-US" xlink:label="lab_cls_ShareCapitalandSharebasedPaymentArrangementsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share Capital and Share-based Payment Arrangements [Abstract]</link:label>
    <link:label id="lab_cls_ShareCapitalandSharebasedPaymentArrangementsAbstract_label_en-US" xlink:label="lab_cls_ShareCapitalandSharebasedPaymentArrangementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share Capital and Share-based Payment Arrangements [Abstract]</link:label>
    <link:label id="lab_cls_ShareCapitalandSharebasedPaymentArrangementsAbstract_documentation_en-US" xlink:label="lab_cls_ShareCapitalandSharebasedPaymentArrangementsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share Capital and Share-based Payment Arrangements [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ShareCapitalandSharebasedPaymentArrangementsAbstract" xlink:href="cls-20221231.xsd#cls_ShareCapitalandSharebasedPaymentArrangementsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ShareCapitalandSharebasedPaymentArrangementsAbstract" xlink:to="lab_cls_ShareCapitalandSharebasedPaymentArrangementsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory_70f91601-4df3-49e3-b838-4d3ae3e44691_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Range of Exercise Prices of Outstanding Share Options</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of range of exercise prices of outstanding share options [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory_b7c722c1-1839-479c-a04c-1bd7148eea24_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fire Event</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of impairment loss and reversal of impairment loss [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" xlink:to="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_9a64a095-c750-4c75-9dc3-bf964b66ebf5_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CostOfSales_9c79e664-45b9-4035-bdf1-c4c191880344_terseLabel_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cost of sales</link:label>
    <link:label id="lab_ifrs-full_CostOfSales_label_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cost of sales</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CostOfSales" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CostOfSales"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CostOfSales" xlink:to="lab_ifrs-full_CostOfSales" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeStatementAbstract_8252cb1f-238d-4637-833c-3252384d991a_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Profit or loss [abstract]</link:label>
    <link:label id="lab_ifrs-full_IncomeStatementAbstract_label_en-US" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Profit or loss [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeStatementAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeStatementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeStatementAbstract" xlink:to="lab_ifrs-full_IncomeStatementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedLossPercent_9b0bf8e6-4612-4a50-8271-5617de3d316a_terseLabel_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedLossPercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reasonable possible change in risk variable, unrealized gain, basis points</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedLossPercent_label_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedLossPercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable For Unrealized Loss, Percent</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedLossPercent_documentation_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedLossPercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable For Unrealized Loss, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedLossPercent" xlink:href="cls-20221231.xsd#cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedLossPercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedLossPercent" xlink:to="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedLossPercent" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_StatementScenarioAxis_7aa79f7f-02c4-40bc-b1ed-ad53244c52c8_terseLabel_en-US" xlink:label="lab_srt_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Scenario [Axis]</link:label>
    <link:label id="lab_srt_StatementScenarioAxis_label_en-US" xlink:label="lab_srt_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Scenario [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_StatementScenarioAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementScenarioAxis" xlink:to="lab_srt_StatementScenarioAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateDenominator_37c2511d-98c1-438d-82ed-a29004261672_terseLabel_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateDenominator" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Conversion rate, denominator (in shares)</link:label>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateDenominator_label_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateDenominator" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Conversion Rate, Denominator</link:label>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateDenominator_documentation_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateDenominator" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Conversion Rate, Denominator</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateDenominator" xlink:href="cls-20221231.xsd#cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateDenominator"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateDenominator" xlink:to="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateDenominator" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_c58babe3-3fe1-49b6-a7d4-a415ab0e01cb_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings under credit facility</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_bc2843a1-37ba-42de-9d8f-2aff73f83de1_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from borrowings</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_6107fbb6-94da-4143-93f3-781f1a760b1b_netLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amount borrowed</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from borrowings, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_1099e8fc-8218-46dc-949b-2dec6593776a_terseLabel_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pension Plan</link:label>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_label_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined benefit plans that share risks between entities under common control [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DefinedBenefitPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DefinedBenefitPlansThatShareRisksBetweenEntitiesUnderCommonControlMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DefinedBenefitPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:to="lab_ifrs-full_DefinedBenefitPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RawMaterials_c80b7746-901a-4528-95eb-28feec119327_terseLabel_en-US" xlink:label="lab_ifrs-full_RawMaterials" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Raw materials</link:label>
    <link:label id="lab_ifrs-full_RawMaterials_label_en-US" xlink:label="lab_ifrs-full_RawMaterials" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current raw materials</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RawMaterials" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RawMaterials"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RawMaterials" xlink:to="lab_ifrs-full_RawMaterials" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_2022af30-14c9-4959-907b-81fce03c4114_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill and Intangible Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of intangible assets and goodwill [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfShareCapitalAndSharebasedPaymentArrangementsTextBlock_f9153719-24f0-471a-99d0-770bf00d5cf3_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfShareCapitalAndSharebasedPaymentArrangementsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital Stock</link:label>
    <link:label id="lab_cls_DisclosureOfShareCapitalAndSharebasedPaymentArrangementsTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfShareCapitalAndSharebasedPaymentArrangementsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Share Capital And Share-based Payment Arrangements [Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfShareCapitalAndSharebasedPaymentArrangementsTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfShareCapitalAndSharebasedPaymentArrangementsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Share Capital And Share-based Payment Arrangements [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfShareCapitalAndSharebasedPaymentArrangementsTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfShareCapitalAndSharebasedPaymentArrangementsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfShareCapitalAndSharebasedPaymentArrangementsTextBlock" xlink:to="lab_cls_DisclosureOfShareCapitalAndSharebasedPaymentArrangementsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_Vesting1Domain_ac2b28a5-fd58-480a-80e8-8c6409111491_terseLabel_en-US" xlink:label="lab_cls_Vesting1Domain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vesting1 [Domain]</link:label>
    <link:label id="lab_cls_Vesting1Domain_label_en-US" xlink:label="lab_cls_Vesting1Domain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vesting1 [Domain]</link:label>
    <link:label id="lab_cls_Vesting1Domain_documentation_en-US" xlink:label="lab_cls_Vesting1Domain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Domain] for Vesting1 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_Vesting1Domain" xlink:href="cls-20221231.xsd#cls_Vesting1Domain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_Vesting1Domain" xlink:to="lab_cls_Vesting1Domain" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ConcentrationRiskByBenchmark1Domain_ad417ee6-d295-4cfc-9166-e570fce38115_terseLabel_en-US" xlink:label="lab_cls_ConcentrationRiskByBenchmark1Domain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk By Benchmark1 [Domain]</link:label>
    <link:label id="lab_cls_ConcentrationRiskByBenchmark1Domain_label_en-US" xlink:label="lab_cls_ConcentrationRiskByBenchmark1Domain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk By Benchmark1 [Domain]</link:label>
    <link:label id="lab_cls_ConcentrationRiskByBenchmark1Domain_documentation_en-US" xlink:label="lab_cls_ConcentrationRiskByBenchmark1Domain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Domain] for Concentration Risk By Benchmark1 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ConcentrationRiskByBenchmark1Domain" xlink:href="cls-20221231.xsd#cls_ConcentrationRiskByBenchmark1Domain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ConcentrationRiskByBenchmark1Domain" xlink:to="lab_cls_ConcentrationRiskByBenchmark1Domain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment_735402cf-9720-40ed-b564-a795f9b42fe6_terseLabel_en-US" xlink:label="lab_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Write-downs of property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Write-downs (reversals of write-downs) of property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromCurrentBorrowings_17c47870-ff58-4aeb-b6f4-f139408a4bcd_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from current borrowings</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromCurrentBorrowings_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromCurrentBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromCurrentBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromCurrentBorrowings" xlink:to="lab_ifrs-full_ProceedsFromCurrentBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AccountsPayableAndCurrentAccruedLiabilitiesRecognisedAsOfAcquisitionDate_474dcd0a-83a8-4fcd-842d-3b806db7f5b5_negatedTerseLabel_en-US" xlink:label="lab_cls_AccountsPayableAndCurrentAccruedLiabilitiesRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts payable and accrued liabilities</link:label>
    <link:label id="lab_cls_AccountsPayableAndCurrentAccruedLiabilitiesRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_cls_AccountsPayableAndCurrentAccruedLiabilitiesRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Payable And Current Accrued Liabilities Recognised As Of Acquisition Date</link:label>
    <link:label id="lab_cls_AccountsPayableAndCurrentAccruedLiabilitiesRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_cls_AccountsPayableAndCurrentAccruedLiabilitiesRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Payable And Current Accrued Liabilities Recognised As Of Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AccountsPayableAndCurrentAccruedLiabilitiesRecognisedAsOfAcquisitionDate" xlink:href="cls-20221231.xsd#cls_AccountsPayableAndCurrentAccruedLiabilitiesRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AccountsPayableAndCurrentAccruedLiabilitiesRecognisedAsOfAcquisitionDate" xlink:to="lab_cls_AccountsPayableAndCurrentAccruedLiabilitiesRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable_5f3e3eff-837a-4edc-846d-2f35ff229879_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about hedging instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about hedging instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption_2d56a77c-4260-49ac-994a-194890b77813_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">1% Increase</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) in defined benefit obligation due to reasonably possible increase in actuarial assumption</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xlink:to="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForCancellation_7cd7f5d3-1525-479c-844f-4ea20f8980a3_terseLabel_en-US" xlink:label="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForCancellation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Aggregate cost of SVS repurchased for cancellation</link:label>
    <link:label id="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForCancellation_bb1e8eb0-c632-4e41-9055-b7a2f0c5408c_negatedTerseLabel_en-US" xlink:label="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForCancellation" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Repurchase of capital stock for cancellation</link:label>
    <link:label id="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForCancellation_label_en-US" xlink:label="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForCancellation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments To Acquire Or Redeem Entity's Shares For Cancellation</link:label>
    <link:label id="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForCancellation_documentation_en-US" xlink:label="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForCancellation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments To Acquire Or Redeem Entity's Shares For Cancellation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PaymentsToAcquireOrRedeemEntitysSharesForCancellation" xlink:href="cls-20221231.xsd#cls_PaymentsToAcquireOrRedeemEntitysSharesForCancellation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PaymentsToAcquireOrRedeemEntitysSharesForCancellation" xlink:to="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForCancellation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContingentLiabilityForGuaranteesMember_dc766b29-cfd6-4c5e-a03e-49ae3b1911bc_terseLabel_en-US" xlink:label="lab_ifrs-full_ContingentLiabilityForGuaranteesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Guarantees</link:label>
    <link:label id="lab_ifrs-full_ContingentLiabilityForGuaranteesMember_label_en-US" xlink:label="lab_ifrs-full_ContingentLiabilityForGuaranteesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contingent liability for guarantees [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContingentLiabilityForGuaranteesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ContingentLiabilityForGuaranteesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContingentLiabilityForGuaranteesMember" xlink:to="lab_ifrs-full_ContingentLiabilityForGuaranteesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesMember_bd1dc7dc-2bd5-47f0-a003-17c5a1e8a296_terseLabel_en-US" xlink:label="lab_cls_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Temporary Differences Associated With Investments In Subsidiaries</link:label>
    <link:label id="lab_cls_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesMember_label_en-US" xlink:label="lab_cls_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Temporary Differences Associated With Investments In Subsidiaries [Member]</link:label>
    <link:label id="lab_cls_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesMember_documentation_en-US" xlink:label="lab_cls_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Temporary Differences Associated With Investments In Subsidiaries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesMember" xlink:href="cls-20221231.xsd#cls_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesMember" xlink:to="lab_cls_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncreaseDecreaseThroughAccretionandNetExchangeDifferencesOtherProvisions_423e2bb6-23ba-4881-b9d4-fa25a13320c8_terseLabel_en-US" xlink:label="lab_cls_IncreaseDecreaseThroughAccretionandNetExchangeDifferencesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accretion, foreign exchange and other</link:label>
    <link:label id="lab_cls_IncreaseDecreaseThroughAccretionandNetExchangeDifferencesOtherProvisions_label_en-US" xlink:label="lab_cls_IncreaseDecreaseThroughAccretionandNetExchangeDifferencesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) Through Accretion and Net Exchange Differences, Other Provisions</link:label>
    <link:label id="lab_cls_IncreaseDecreaseThroughAccretionandNetExchangeDifferencesOtherProvisions_documentation_en-US" xlink:label="lab_cls_IncreaseDecreaseThroughAccretionandNetExchangeDifferencesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) Through Accretion and Net Exchange Differences, Other Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncreaseDecreaseThroughAccretionandNetExchangeDifferencesOtherProvisions" xlink:href="cls-20221231.xsd#cls_IncreaseDecreaseThroughAccretionandNetExchangeDifferencesOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncreaseDecreaseThroughAccretionandNetExchangeDifferencesOtherProvisions" xlink:to="lab_cls_IncreaseDecreaseThroughAccretionandNetExchangeDifferencesOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ServicesAgreementAnnualFeeRelatedPartyTransactions_cc0707fd-70e9-47be-8012-333d94f338bf_terseLabel_en-US" xlink:label="lab_cls_ServicesAgreementAnnualFeeRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Annual fee to be paid for Service Agreement</link:label>
    <link:label id="lab_cls_ServicesAgreementAnnualFeeRelatedPartyTransactions_label_en-US" xlink:label="lab_cls_ServicesAgreementAnnualFeeRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Services Agreement, Annual Fee, Related Party Transactions</link:label>
    <link:label id="lab_cls_ServicesAgreementAnnualFeeRelatedPartyTransactions_documentation_en-US" xlink:label="lab_cls_ServicesAgreementAnnualFeeRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Services Agreement, Annual Fee, Related Party Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ServicesAgreementAnnualFeeRelatedPartyTransactions" xlink:href="cls-20221231.xsd#cls_ServicesAgreementAnnualFeeRelatedPartyTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ServicesAgreementAnnualFeeRelatedPartyTransactions" xlink:to="lab_cls_ServicesAgreementAnnualFeeRelatedPartyTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents_573c197f-a56e-422e-a2e1-b651fba496a3_terseLabel_en-US" xlink:label="lab_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amounts outstanding under available uncommitted bank overdraft facilities</link:label>
    <link:label id="lab_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Bank overdrafts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BankOverdraftsClassifiedAsCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xlink:to="lab_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingBenefitObligationAbstract_50a39a0e-7a5f-4b2b-87d1-90a1330a989b_terseLabel_en-US" xlink:label="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingBenefitObligationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average discount rate at December&#160;31 (i)&#160;for:</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingBenefitObligationAbstract_label_en-US" xlink:label="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingBenefitObligationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingBenefitObligationAbstract_documentation_en-US" xlink:label="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingBenefitObligationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingBenefitObligationAbstract" xlink:href="cls-20221231.xsd#cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingBenefitObligationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingBenefitObligationAbstract" xlink:to="lab_cls_DefinedBenefitPlanWeightedAverageAssumptionsUsedinCalculatingBenefitObligationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets_f4fd205f-b01e-427f-b2bc-aed29eba1d0d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase of computer software and property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:to="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_0c1a6e83-4e66-48ee-bd10-e8fcf572d4d1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AcquisitionRelatedCostsReversalOfCostReleaseOfIndirectTaxLiabilities_a93dff0c-5ffb-49e2-b018-f2ee74927f86_terseLabel_en-US" xlink:label="lab_cls_AcquisitionRelatedCostsReversalOfCostReleaseOfIndirectTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Release of indirect tax liabilities</link:label>
    <link:label id="lab_cls_AcquisitionRelatedCostsReversalOfCostReleaseOfIndirectTaxLiabilities_label_en-US" xlink:label="lab_cls_AcquisitionRelatedCostsReversalOfCostReleaseOfIndirectTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisition-Related Costs, Reversal of Cost, Release of Indirect Tax Liabilities</link:label>
    <link:label id="lab_cls_AcquisitionRelatedCostsReversalOfCostReleaseOfIndirectTaxLiabilities_documentation_en-US" xlink:label="lab_cls_AcquisitionRelatedCostsReversalOfCostReleaseOfIndirectTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisition-Related Costs, Reversal of Cost, Release of Indirect Tax Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AcquisitionRelatedCostsReversalOfCostReleaseOfIndirectTaxLiabilities" xlink:href="cls-20221231.xsd#cls_AcquisitionRelatedCostsReversalOfCostReleaseOfIndirectTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AcquisitionRelatedCostsReversalOfCostReleaseOfIndirectTaxLiabilities" xlink:to="lab_cls_AcquisitionRelatedCostsReversalOfCostReleaseOfIndirectTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentAnnualReport_8a266db2-3418-476f-9cac-7340cb83b30b_terseLabel_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Annual Report</link:label>
    <link:label id="lab_dei_DocumentAnnualReport_label_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Annual Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentAnnualReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAnnualReport" xlink:to="lab_dei_DocumentAnnualReport" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfTreasuryShares_9cfbf6a3-a977-41d1-b39e-e169178584bf_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase of treasury stock for stock-based plans</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfTreasuryShares_e5a2a259-5f42-41c8-8654-9c77936c08d3_terseLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Aggregate cost of SVS repurchased for delivery under SBC plans</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfTreasuryShares_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase of treasury shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfTreasuryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfTreasuryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfTreasuryShares" xlink:to="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_29bdeba0-ee37-4ef1-963b-4a5ce84b8e0a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of transactions between related parties [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of transactions between related parties [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AggregatedMeasurementMember_cbff2758-e98f-42a6-96d8-2914653b1bf4_terseLabel_en-US" xlink:label="lab_ifrs-full_AggregatedMeasurementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Aggregated measurement</link:label>
    <link:label id="lab_ifrs-full_AggregatedMeasurementMember_label_en-US" xlink:label="lab_ifrs-full_AggregatedMeasurementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Aggregated measurement [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AggregatedMeasurementMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedMeasurementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AggregatedMeasurementMember" xlink:to="lab_ifrs-full_AggregatedMeasurementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable_95f4c8fd-71d2-4987-acd6-890f30353fa2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of reconciliation of changes in goodwill [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of reconciliation of changes in goodwill [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredTaxRelatingToItemsCreditedChargedDirectlyToEquityDeferredTaxAssets_0018ca8c-a8b1-428a-9ead-7b5aa1eeab43_terseLabel_en-US" xlink:label="lab_cls_DeferredTaxRelatingToItemsCreditedChargedDirectlyToEquityDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credited directly to equity</link:label>
    <link:label id="lab_cls_DeferredTaxRelatingToItemsCreditedChargedDirectlyToEquityDeferredTaxAssets_label_en-US" xlink:label="lab_cls_DeferredTaxRelatingToItemsCreditedChargedDirectlyToEquityDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Relating To Items Credited (Charged) Directly To Equity, Deferred Tax Assets</link:label>
    <link:label id="lab_cls_DeferredTaxRelatingToItemsCreditedChargedDirectlyToEquityDeferredTaxAssets_documentation_en-US" xlink:label="lab_cls_DeferredTaxRelatingToItemsCreditedChargedDirectlyToEquityDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Relating To Items Credited (Charged) Directly To Equity, Deferred Tax Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredTaxRelatingToItemsCreditedChargedDirectlyToEquityDeferredTaxAssets" xlink:href="cls-20221231.xsd#cls_DeferredTaxRelatingToItemsCreditedChargedDirectlyToEquityDeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredTaxRelatingToItemsCreditedChargedDirectlyToEquityDeferredTaxAssets" xlink:to="lab_cls_DeferredTaxRelatingToItemsCreditedChargedDirectlyToEquityDeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharebasedCompensationAwardTrancheThree1Member_2e31ca8f-e152-45f0-9af5-6da5ee758b53_terseLabel_en-US" xlink:label="lab_cls_SharebasedCompensationAwardTrancheThree1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vested in year 3</link:label>
    <link:label id="lab_cls_SharebasedCompensationAwardTrancheThree1Member_label_en-US" xlink:label="lab_cls_SharebasedCompensationAwardTrancheThree1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Award, Tranche Three1 [Member]</link:label>
    <link:label id="lab_cls_SharebasedCompensationAwardTrancheThree1Member_documentation_en-US" xlink:label="lab_cls_SharebasedCompensationAwardTrancheThree1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Award, Tranche Three1 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharebasedCompensationAwardTrancheThree1Member" xlink:href="cls-20221231.xsd#cls_SharebasedCompensationAwardTrancheThree1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharebasedCompensationAwardTrancheThree1Member" xlink:to="lab_cls_SharebasedCompensationAwardTrancheThree1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SaleOfReceivablesUnderPriorFacilityProgramMember_ad3b7e23-8501-4ff0-bdc0-79d623bc475c_terseLabel_en-US" xlink:label="lab_cls_SaleOfReceivablesUnderPriorFacilityProgramMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Factoring of receivables from prior facility program</link:label>
    <link:label id="lab_cls_SaleOfReceivablesUnderPriorFacilityProgramMember_label_en-US" xlink:label="lab_cls_SaleOfReceivablesUnderPriorFacilityProgramMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sale Of Receivables Under Prior Facility Program [Member]</link:label>
    <link:label id="lab_cls_SaleOfReceivablesUnderPriorFacilityProgramMember_documentation_en-US" xlink:label="lab_cls_SaleOfReceivablesUnderPriorFacilityProgramMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sale Of Receivables Under Prior Facility Program</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SaleOfReceivablesUnderPriorFacilityProgramMember" xlink:href="cls-20221231.xsd#cls_SaleOfReceivablesUnderPriorFacilityProgramMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SaleOfReceivablesUnderPriorFacilityProgramMember" xlink:to="lab_cls_SaleOfReceivablesUnderPriorFacilityProgramMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_ea1fbedb-0741-4b0a-9398-7595c8246a97_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_StatementGeographicalAxis_3caadd08-8e5f-42a9-9df0-6e4943d40d98_terseLabel_en-US" xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:label id="lab_srt_StatementGeographicalAxis_label_en-US" xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_StatementGeographicalAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementGeographicalAxis" xlink:to="lab_srt_StatementGeographicalAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NotionalAmountOfSharesCoveredUnderTotalReturnSwapAgreement_fed5cd11-5405-4362-a875-a1a39ee38aa9_terseLabel_en-US" xlink:label="lab_cls_NotionalAmountOfSharesCoveredUnderTotalReturnSwapAgreement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Notional amount of SVS (in shares)</link:label>
    <link:label id="lab_cls_NotionalAmountOfSharesCoveredUnderTotalReturnSwapAgreement_label_en-US" xlink:label="lab_cls_NotionalAmountOfSharesCoveredUnderTotalReturnSwapAgreement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Notional Amount Of Shares Covered Under Total Return Swap Agreement</link:label>
    <link:label id="lab_cls_NotionalAmountOfSharesCoveredUnderTotalReturnSwapAgreement_documentation_en-US" xlink:label="lab_cls_NotionalAmountOfSharesCoveredUnderTotalReturnSwapAgreement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Notional Amount Of Shares Covered Under Total Return Swap Agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NotionalAmountOfSharesCoveredUnderTotalReturnSwapAgreement" xlink:href="cls-20221231.xsd#cls_NotionalAmountOfSharesCoveredUnderTotalReturnSwapAgreement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NotionalAmountOfSharesCoveredUnderTotalReturnSwapAgreement" xlink:to="lab_cls_NotionalAmountOfSharesCoveredUnderTotalReturnSwapAgreement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsCurrent_5a08fe4b-d453-4d08-9d2e-778bbd6a3385_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income taxes receivable</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxAssetsCurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current tax assets, current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxAssetsCurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTaxAssetsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxAssetsCurrent" xlink:to="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TwoThousandTwentyTwoNCIBMember_8b55ed57-4653-48e3-a727-5d64966707dc_terseLabel_en-US" xlink:label="lab_cls_TwoThousandTwentyTwoNCIBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2022 NCIB</link:label>
    <link:label id="lab_cls_TwoThousandTwentyTwoNCIBMember_label_en-US" xlink:label="lab_cls_TwoThousandTwentyTwoNCIBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Two Thousand Twenty Two NCIB [Member]</link:label>
    <link:label id="lab_cls_TwoThousandTwentyTwoNCIBMember_documentation_en-US" xlink:label="lab_cls_TwoThousandTwentyTwoNCIBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Two Thousand Twenty Two NCIB</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TwoThousandTwentyTwoNCIBMember" xlink:href="cls-20221231.xsd#cls_TwoThousandTwentyTwoNCIBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TwoThousandTwentyTwoNCIBMember" xlink:to="lab_cls_TwoThousandTwentyTwoNCIBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssetsAbstract_64fa02cf-0b9e-42e4-bae8-bec0ef93f8eb_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current assets:</link:label>
    <link:label id="lab_ifrs-full_CurrentAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssetsAbstract" xlink:to="lab_ifrs-full_CurrentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_3a1828ba-f85e-4c7d-84e3-2f1cd6d72d77_terseLabel_en-US" xlink:label="lab_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Past service cost (credit) and settlement/curtailment losses</link:label>
    <link:label id="lab_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_9f63edb6-1508-404e-aea6-d2dc2354f7f6_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Past service cost (credit) and settlement/curtailment losses</link:label>
    <link:label id="lab_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) in net defined benefit liability (asset) resulting from past service cost and losses (gains) arising from settlements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_b890d4d8-923c-42f0-a141-e8d9ae7662da_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DefinedBenefitPlanDisclosureTableTextBlock_c54948e4-034a-4751-82e5-d3e4327e01b9_terseLabel_en-US" xlink:label="lab_cls_DefinedBenefitPlanDisclosureTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Plan Contributions</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanDisclosureTableTextBlock_label_en-US" xlink:label="lab_cls_DefinedBenefitPlanDisclosureTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan Disclosure [Table Text Block]</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanDisclosureTableTextBlock_documentation_en-US" xlink:label="lab_cls_DefinedBenefitPlanDisclosureTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan Disclosure [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DefinedBenefitPlanDisclosureTableTextBlock" xlink:href="cls-20221231.xsd#cls_DefinedBenefitPlanDisclosureTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DefinedBenefitPlanDisclosureTableTextBlock" xlink:to="lab_cls_DefinedBenefitPlanDisclosureTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansTable_7abf0b7d-4732-4074-91b4-174527a5415a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of defined benefit plans [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of defined benefit plans [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:to="lab_ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherExpenseByFunction_fc29322b-515d-481e-b013-7632f96541d0_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherExpenseByFunction" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other charges, net of recoveries</link:label>
    <link:label id="lab_ifrs-full_OtherExpenseByFunction_e5fc4052-9031-4fa9-b377-c181eb32d130_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherExpenseByFunction" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other charges, net of recoveries (note 15)</link:label>
    <link:label id="lab_ifrs-full_OtherExpenseByFunction_label_en-US" xlink:label="lab_ifrs-full_OtherExpenseByFunction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other expense, by function</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherExpenseByFunction" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherExpenseByFunction"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherExpenseByFunction" xlink:to="lab_ifrs-full_OtherExpenseByFunction" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredShareUnitsDSUMember_3a6ed223-5ab0-4a14-bf8b-737f9cb10704_terseLabel_en-US" xlink:label="lab_cls_DeferredShareUnitsDSUMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">DSUs</link:label>
    <link:label id="lab_cls_DeferredShareUnitsDSUMember_label_en-US" xlink:label="lab_cls_DeferredShareUnitsDSUMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Share Units (DSU) [Member]</link:label>
    <link:label id="lab_cls_DeferredShareUnitsDSUMember_documentation_en-US" xlink:label="lab_cls_DeferredShareUnitsDSUMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Share Units (DSU) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredShareUnitsDSUMember" xlink:href="cls-20221231.xsd#cls_DeferredShareUnitsDSUMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredShareUnitsDSUMember" xlink:to="lab_cls_DeferredShareUnitsDSUMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans_07bcb5ca-ddb8-4165-857d-64d2112bbdca_terseLabel_en-US" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined contribution pension plan expense</link:label>
    <link:label id="lab_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans_label_en-US" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Post-employment benefit expense, defined contribution plans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:to="lab_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_bb6cfcb5-512e-4a7b-9fd2-1e11a13a4782_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2024</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Later than one year and not later than two years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_82a5d0e4-8704-4550-9d58-97d9a8105a8d_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for leases [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityShellCompany_c31072ea-354f-4913-bdf2-60b3b47383cf_terseLabel_en-US" xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Shell Company</link:label>
    <link:label id="lab_dei_EntityShellCompany_label_en-US" xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Shell Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityShellCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityShellCompany" xlink:to="lab_dei_EntityShellCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_c12b89b3-0b83-4659-b165-1bae806fbe15_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset_f1ec7993-0f54-4f39-a79a-29c0ebd6670e_terseLabel_en-US" xlink:label="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employer contributions</link:label>
    <link:label id="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Decrease (increase) in net defined benefit liability (asset) resulting from resulting from contributions to plan by employer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsForDebtIssueCosts_241c21f2-08c7-46fd-9a60-ea998b51359a_terseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsForDebtIssueCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt issuance costs paid</link:label>
    <link:label id="lab_ifrs-full_PaymentsForDebtIssueCosts_label_en-US" xlink:label="lab_ifrs-full_PaymentsForDebtIssueCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments for debt issue costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsForDebtIssueCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PaymentsForDebtIssueCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsForDebtIssueCosts" xlink:to="lab_ifrs-full_PaymentsForDebtIssueCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermRequiredNoticeBeforeTermination_762c8335-9a62-4d37-bda6-7a4fdde48fec_terseLabel_en-US" xlink:label="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermRequiredNoticeBeforeTermination" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Notice before termination</link:label>
    <link:label id="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermRequiredNoticeBeforeTermination_label_en-US" xlink:label="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermRequiredNoticeBeforeTermination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transfer Of Financial Assets Accounted For As Sales, Term Required Notice Before Termination</link:label>
    <link:label id="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermRequiredNoticeBeforeTermination_documentation_en-US" xlink:label="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermRequiredNoticeBeforeTermination" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transfer Of Financial Assets Accounted For As Sales, Term Required Notice Before Termination</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TransferOfFinancialAssetsAccountedForAsSalesTermRequiredNoticeBeforeTermination" xlink:href="cls-20221231.xsd#cls_TransferOfFinancialAssetsAccountedForAsSalesTermRequiredNoticeBeforeTermination"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TransferOfFinancialAssetsAccountedForAsSalesTermRequiredNoticeBeforeTermination" xlink:to="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermRequiredNoticeBeforeTermination" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems_07ae6151-d0d9-4032-b086-225cb9c80f5e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of information for cash-generating units [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of information for cash-generating units [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:to="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaterialReconcilingItemsMember_06269032-390d-48a9-a987-6dcadc16d782_terseLabel_en-US" xlink:label="lab_ifrs-full_MaterialReconcilingItemsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciling items</link:label>
    <link:label id="lab_ifrs-full_MaterialReconcilingItemsMember_label_en-US" xlink:label="lab_ifrs-full_MaterialReconcilingItemsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Material reconciling items [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaterialReconcilingItemsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaterialReconcilingItemsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaterialReconcilingItemsMember" xlink:to="lab_ifrs-full_MaterialReconcilingItemsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsMember_54af9214-3acb-44b3-8014-ee502f2dc3c5_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_ifrs-full_ClassesOfAssetsMember_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsMember" xlink:to="lab_ifrs-full_ClassesOfAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TreasuryStockSharesAcquiredHeldByTrustee_05f93a51-6098-4128-9690-14716a8f853e_terseLabel_en-US" xlink:label="lab_cls_TreasuryStockSharesAcquiredHeldByTrustee" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of SVS held by trustee for delivery under SBC plans (in millions) (in shares)</link:label>
    <link:label id="lab_cls_TreasuryStockSharesAcquiredHeldByTrustee_label_en-US" xlink:label="lab_cls_TreasuryStockSharesAcquiredHeldByTrustee" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury Stock, Shares, Acquired, Held By Trustee</link:label>
    <link:label id="lab_cls_TreasuryStockSharesAcquiredHeldByTrustee_documentation_en-US" xlink:label="lab_cls_TreasuryStockSharesAcquiredHeldByTrustee" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury Stock, Shares, Acquired, Held by Trustee</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TreasuryStockSharesAcquiredHeldByTrustee" xlink:href="cls-20221231.xsd#cls_TreasuryStockSharesAcquiredHeldByTrustee"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TreasuryStockSharesAcquiredHeldByTrustee" xlink:to="lab_cls_TreasuryStockSharesAcquiredHeldByTrustee" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentPeriodEndDate_6efc4042-e0d2-4b22-979b-1c0f9ded0f6d_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentPeriodEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_13f9c3ef-a7d3-4b74-81bd-f0b2b19ffbab_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfBasisOfPreparationOfFinancialStatementsAndSignificantAccountingPoliciesTextBlock_b08da6fb-f9b1-4b8f-82a1-ab4a98db3f6b_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfBasisOfPreparationOfFinancialStatementsAndSignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basis of Preparation and Significant Accounting Policies</link:label>
    <link:label id="lab_cls_DisclosureOfBasisOfPreparationOfFinancialStatementsAndSignificantAccountingPoliciesTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfBasisOfPreparationOfFinancialStatementsAndSignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Basis Of Preparation Of Financial Statements And Significant Accounting Policies [Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfBasisOfPreparationOfFinancialStatementsAndSignificantAccountingPoliciesTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfBasisOfPreparationOfFinancialStatementsAndSignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Basis Of Preparation Of Financial Statements and Significant Accounting Policies [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfBasisOfPreparationOfFinancialStatementsAndSignificantAccountingPoliciesTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfBasisOfPreparationOfFinancialStatementsAndSignificantAccountingPoliciesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfBasisOfPreparationOfFinancialStatementsAndSignificantAccountingPoliciesTextBlock" xlink:to="lab_cls_DisclosureOfBasisOfPreparationOfFinancialStatementsAndSignificantAccountingPoliciesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ExpenseRelatingToShortTermLeasesAndLowValueLeases_f06f702c-c9a1-40b2-9fdf-e4083c168711_terseLabel_en-US" xlink:label="lab_cls_ExpenseRelatingToShortTermLeasesAndLowValueLeases" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expenses relating to short-term leases or low-value leases</link:label>
    <link:label id="lab_cls_ExpenseRelatingToShortTermLeasesAndLowValueLeases_label_en-US" xlink:label="lab_cls_ExpenseRelatingToShortTermLeasesAndLowValueLeases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expense Relating To Short-Term Leases And Low-Value Leases</link:label>
    <link:label id="lab_cls_ExpenseRelatingToShortTermLeasesAndLowValueLeases_documentation_en-US" xlink:label="lab_cls_ExpenseRelatingToShortTermLeasesAndLowValueLeases" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expense Relating To Short-Term Leases And Low-Value Leases</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ExpenseRelatingToShortTermLeasesAndLowValueLeases" xlink:href="cls-20221231.xsd#cls_ExpenseRelatingToShortTermLeasesAndLowValueLeases"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ExpenseRelatingToShortTermLeasesAndLowValueLeases" xlink:to="lab_cls_ExpenseRelatingToShortTermLeasesAndLowValueLeases" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Provisions_31a24660-4b90-4170-be7f-e51faaa430d9_totalLabel_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total provisions</link:label>
    <link:label id="lab_ifrs-full_Provisions_label_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Provisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Provisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Provisions" xlink:to="lab_ifrs-full_Provisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_2d641782-e52e-45e4-a3f1-4c58753ba284_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pension and non-pension post-employment benefit obligations</link:label>
    <link:label id="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_48f3511d-c2b7-4111-be6b-895526cd3f6f_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pension and non-pension post-employment benefit obligations</link:label>
    <link:label id="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan_label_en-US" xlink:label="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-current net defined benefit liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:to="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_712a7bf2-d88a-409c-9bfc-34c09f0ada42_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Use of estimates and judgments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of accounting judgements and estimates [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_dd5ef67a-0529-46a0-ba91-9a96f32bc272_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee benefits</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for employee benefits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ForwardContractMember_3b09d342-3eb6-41e5-b174-8e68fbe817c6_terseLabel_en-US" xlink:label="lab_ifrs-full_ForwardContractMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Currency forward</link:label>
    <link:label id="lab_ifrs-full_ForwardContractMember_label_en-US" xlink:label="lab_ifrs-full_ForwardContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Forward contract [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ForwardContractMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ForwardContractMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ForwardContractMember" xlink:to="lab_ifrs-full_ForwardContractMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_StockRepurchasedandRetiredDuringPeriodValue1_c4e97e9d-86ce-47f6-b5f8-885e69e7ee57_negatedTerseLabel_en-US" xlink:label="lab_cls_StockRepurchasedandRetiredDuringPeriodValue1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Repurchase of capital stock for cancellation</link:label>
    <link:label id="lab_cls_StockRepurchasedandRetiredDuringPeriodValue1_label_en-US" xlink:label="lab_cls_StockRepurchasedandRetiredDuringPeriodValue1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Repurchased and Retired During Period, Value1</link:label>
    <link:label id="lab_cls_StockRepurchasedandRetiredDuringPeriodValue1_documentation_en-US" xlink:label="lab_cls_StockRepurchasedandRetiredDuringPeriodValue1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Repurchased and Retired During Period, Value1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_StockRepurchasedandRetiredDuringPeriodValue1" xlink:href="cls-20221231.xsd#cls_StockRepurchasedandRetiredDuringPeriodValue1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_StockRepurchasedandRetiredDuringPeriodValue1" xlink:to="lab_cls_StockRepurchasedandRetiredDuringPeriodValue1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAndLiabilities_f956f2b3-a42b-4eb6-b25e-c498a6a65898_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total liabilities and equity</link:label>
    <link:label id="lab_ifrs-full_EquityAndLiabilities_label_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity and liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAndLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityAndLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAndLiabilities" xlink:to="lab_ifrs-full_EquityAndLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable_61cde612-ef7c-4c65-8e01-719d07203f77_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment_355df5ed-dfa9-458f-bc87-87b90b5be05e_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisitions through business combination</link:label>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisitions through business combinations, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TreasurySharesMember_dcb3b91c-cb08-4c61-9018-f394178396d3_terseLabel_en-US" xlink:label="lab_ifrs-full_TreasurySharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury stock</link:label>
    <link:label id="lab_ifrs-full_TreasurySharesMember_label_en-US" xlink:label="lab_ifrs-full_TreasurySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury shares [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TreasurySharesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TreasurySharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TreasurySharesMember" xlink:to="lab_ifrs-full_TreasurySharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_MaximumLengthOfTimeHedgedInCashFlowHedge_edb0a07d-c3b7-4598-91ba-7ba7d4acb7ca_terseLabel_en-US" xlink:label="lab_cls_MaximumLengthOfTimeHedgedInCashFlowHedge" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Maximum period in months</link:label>
    <link:label id="lab_cls_MaximumLengthOfTimeHedgedInCashFlowHedge_label_en-US" xlink:label="lab_cls_MaximumLengthOfTimeHedgedInCashFlowHedge" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Maximum Length Of Time Hedged In Cash Flow Hedge</link:label>
    <link:label id="lab_cls_MaximumLengthOfTimeHedgedInCashFlowHedge_documentation_en-US" xlink:label="lab_cls_MaximumLengthOfTimeHedgedInCashFlowHedge" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Maximum Length of Time Hedged in Cash Flow Hedge</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_MaximumLengthOfTimeHedgedInCashFlowHedge" xlink:href="cls-20221231.xsd#cls_MaximumLengthOfTimeHedgedInCashFlowHedge"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_MaximumLengthOfTimeHedgedInCashFlowHedge" xlink:to="lab_cls_MaximumLengthOfTimeHedgedInCashFlowHedge" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_3a0d3d92-7dc4-4171-b2ff-ab293197c387_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares outstanding (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of other equity instruments outstanding in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeAbstract_bd13c812-d2d2-4994-8bd5-7a7bee40a65b_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred income tax expense (recovery):</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax expense (income) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeferredTaxExpenseIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncomeAbstract" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveTwo_8b02bf80-0585-47d3-b7e8-1a202e0af450_terseLabel_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of second tax incentive</link:label>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveTwo_label_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Incentive, Exemption Percentage, Incentive Two</link:label>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveTwo_documentation_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveTwo" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Incentive, Exemption Percentage, Incentive Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxIncentiveExemptionPercentageIncentiveTwo" xlink:href="cls-20221231.xsd#cls_IncomeTaxIncentiveExemptionPercentageIncentiveTwo"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxIncentiveExemptionPercentageIncentiveTwo" xlink:to="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveTwo" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod_1b0e7474-4654-4a6b-950c-201b96db626e_terseLabel_en-US" xlink:label="lab_cls_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Estimated useful life of property, plant and equipment</link:label>
    <link:label id="lab_cls_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod_label_en-US" xlink:label="lab_cls_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Useful Lives Or Depreciation Rates, Property, Plant And Equipment, Period</link:label>
    <link:label id="lab_cls_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod_documentation_en-US" xlink:label="lab_cls_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Useful Lives Or Depreciation Rates, Property, Plant And Equipment, Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" xlink:href="cls-20221231.xsd#cls_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" xlink:to="lab_cls_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_9f1522cc-bfe7-4315-b0b3-d49ea700778c_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net cash provided by (used in) financing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash flows from (used in) financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_cc224e79-8035-4165-b656-f995cd5761fb_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of compliance</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of basis of preparation of financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherEmployeeExpense_d9b0071f-9f20-4502-84d9-85bbe192f251_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherEmployeeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee-related costs</link:label>
    <link:label id="lab_ifrs-full_OtherEmployeeExpense_label_en-US" xlink:label="lab_ifrs-full_OtherEmployeeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other employee expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherEmployeeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherEmployeeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherEmployeeExpense" xlink:to="lab_ifrs-full_OtherEmployeeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_749f4ef7-0160-4c66-a165-34b34e5a1529_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest expense on lease obligations</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest expense on lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestExpenseOnLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:to="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_47ad7610-587a-407d-927e-2f72d02e67fe_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for measuring inventories [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfInformationOfTheNetBookValueOfRightOfUseAssetTableTextBlock_20dfc858-9c4d-49e1-9b14-09b43879594a_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfInformationOfTheNetBookValueOfRightOfUseAssetTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Information Of The Net Book Value Of Right-Of-Use Asset</link:label>
    <link:label id="lab_cls_DisclosureOfInformationOfTheNetBookValueOfRightOfUseAssetTableTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfInformationOfTheNetBookValueOfRightOfUseAssetTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Information Of The Net Book Value Of Right-Of-Use Asset [Table Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfInformationOfTheNetBookValueOfRightOfUseAssetTableTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfInformationOfTheNetBookValueOfRightOfUseAssetTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Information Of The Net Book Value Of Right-Of-Use Asset [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfInformationOfTheNetBookValueOfRightOfUseAssetTableTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfInformationOfTheNetBookValueOfRightOfUseAssetTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfInformationOfTheNetBookValueOfRightOfUseAssetTableTextBlock" xlink:to="lab_cls_DisclosureOfInformationOfTheNetBookValueOfRightOfUseAssetTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_JPY_f4c2fd21-f89e-4da4-bf49-c925c2fd96ca_terseLabel_en-US" xlink:label="lab_currency_JPY" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Japanese yen</link:label>
    <link:label id="lab_currency_JPY_label_en-US" xlink:label="lab_currency_JPY" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Japan, Yen</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_JPY" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_JPY"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_JPY" xlink:to="lab_currency_JPY" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable_6ba22d86-1b01-4fcd-889e-5133f8fbeb42_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of information for cash-generating units [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of information for cash-generating units [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:to="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PercentageOfEntitysProfitLossFromOperatingActivities_faa3ba91-7bf8-4323-8a37-e50e6cbcf555_terseLabel_en-US" xlink:label="lab_cls_PercentageOfEntitysProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment margin (as a percentage)</link:label>
    <link:label id="lab_cls_PercentageOfEntitysProfitLossFromOperatingActivities_label_en-US" xlink:label="lab_cls_PercentageOfEntitysProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage Of Entity's Profit (Loss) From Operating Activities</link:label>
    <link:label id="lab_cls_PercentageOfEntitysProfitLossFromOperatingActivities_documentation_en-US" xlink:label="lab_cls_PercentageOfEntitysProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage Of Entity's Profit (Loss) From Operating Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PercentageOfEntitysProfitLossFromOperatingActivities" xlink:href="cls-20221231.xsd#cls_PercentageOfEntitysProfitLossFromOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PercentageOfEntitysProfitLossFromOperatingActivities" xlink:to="lab_cls_PercentageOfEntitysProfitLossFromOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset_38e42b55-3741-4a9f-83c4-c0e8a997b3ec_terseLabel_en-US" xlink:label="lab_ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial gains (losses) in other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Decrease (increase) in net defined benefit liability (asset) resulting from return on plan assets excluding interest income or expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_af90f7ef-b6ad-4adc-b0ec-ad473c1e2f69_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Short-term employee benefits and costs</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Key management personnel compensation, short-term employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock_2d7a3a88-b783-4d9b-868d-2e59977162cd_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Recently issued accounting standards and amendments</link:label>
    <link:label id="lab_cls_DisclosureOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Accounting Policy For New Accounting Pronouncements [Policy Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Accounting Policy For New Accounting Pronouncements [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock" xlink:to="lab_cls_DisclosureOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_country_CN_06c06d4b-f199-4545-a8a8-d39be2e164c4_terseLabel_en-US" xlink:label="lab_country_CN" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">China</link:label>
    <link:label id="lab_country_CN_label_en-US" xlink:label="lab_country_CN" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CHINA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_CN" xlink:href="https://xbrl.sec.gov/country/2022/country-2022.xsd#country_CN"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CN" xlink:to="lab_country_CN" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MeasurementAxis_3266d24b-6e9d-4678-94f9-19e2bf34d24b_terseLabel_en-US" xlink:label="lab_ifrs-full_MeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Measurement [axis]</link:label>
    <link:label id="lab_ifrs-full_MeasurementAxis_label_en-US" xlink:label="lab_ifrs-full_MeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Measurement [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MeasurementAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MeasurementAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MeasurementAxis" xlink:to="lab_ifrs-full_MeasurementAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnDisposalsOfNoncurrentAssets_8fb41113-ae67-4d78-868f-70a8f82be609_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gains (losses) on disposals of non-current assets</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnDisposalsOfNoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gains (losses) on disposals of non-current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnDisposalsOfNoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GainsLossesOnDisposalsOfNoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnDisposalsOfNoncurrentAssets" xlink:to="lab_ifrs-full_GainsLossesOnDisposalsOfNoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_e062a171-8bf7-4cde-992b-ec5797e7a712_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest rate swaps</link:label>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_label_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest rate risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRateRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestRateRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateRiskMember" xlink:to="lab_ifrs-full_InterestRateRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCityOrTown_2ee2815b-509c-4b6d-b918-1febf7ae2f18_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:label id="lab_dei_EntityAddressCityOrTown_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCityOrTown"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCityOrTown" xlink:to="lab_dei_EntityAddressCityOrTown" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan_45023a31-4cce-4db2-8abf-05f34ce78009_verboseLabel_en-US" xlink:label="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Estimated contribution</link:label>
    <link:label id="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan_label_en-US" xlink:label="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Estimate of contributions expected to be paid to plan for next annual reporting period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:to="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities_02d9c9d1-f61e-43ff-8f9c-824efb183484_terseLabel_en-US" xlink:label="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Estimated financial effect of contingent liabilities</link:label>
    <link:label id="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities_label_en-US" xlink:label="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Estimated financial effect of contingent liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EstimatedFinancialEffectOfContingentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:to="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SellingGeneralAndAdministrativeExpenses1Member_2b3c8aa0-df06-4b80-8b7b-93257cc0a73b_terseLabel_en-US" xlink:label="lab_cls_SellingGeneralAndAdministrativeExpenses1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee SBC expense in SG&amp;A</link:label>
    <link:label id="lab_cls_SellingGeneralAndAdministrativeExpenses1Member_label_en-US" xlink:label="lab_cls_SellingGeneralAndAdministrativeExpenses1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Selling, General And Administrative Expenses1 [Member]</link:label>
    <link:label id="lab_cls_SellingGeneralAndAdministrativeExpenses1Member_documentation_en-US" xlink:label="lab_cls_SellingGeneralAndAdministrativeExpenses1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Selling, General and Administrative Expenses [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SellingGeneralAndAdministrativeExpenses1Member" xlink:href="cls-20221231.xsd#cls_SellingGeneralAndAdministrativeExpenses1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SellingGeneralAndAdministrativeExpenses1Member" xlink:to="lab_cls_SellingGeneralAndAdministrativeExpenses1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DescriptionofAccountingPolicyforOtherFinancialLiabilitiesPolicyTextBlock_e2a38d84-7802-4c49-962f-6d01e76efa3a_terseLabel_en-US" xlink:label="lab_cls_DescriptionofAccountingPolicyforOtherFinancialLiabilitiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other financial liabilities</link:label>
    <link:label id="lab_cls_DescriptionofAccountingPolicyforOtherFinancialLiabilitiesPolicyTextBlock_label_en-US" xlink:label="lab_cls_DescriptionofAccountingPolicyforOtherFinancialLiabilitiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of Accounting Policy for Other Financial Liabilities [Policy Text Block]</link:label>
    <link:label id="lab_cls_DescriptionofAccountingPolicyforOtherFinancialLiabilitiesPolicyTextBlock_documentation_en-US" xlink:label="lab_cls_DescriptionofAccountingPolicyforOtherFinancialLiabilitiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of Accounting Policy for Other Financial Liabilities [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DescriptionofAccountingPolicyforOtherFinancialLiabilitiesPolicyTextBlock" xlink:href="cls-20221231.xsd#cls_DescriptionofAccountingPolicyforOtherFinancialLiabilitiesPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DescriptionofAccountingPolicyforOtherFinancialLiabilitiesPolicyTextBlock" xlink:to="lab_cls_DescriptionofAccountingPolicyforOtherFinancialLiabilitiesPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IntangibleAssetsLessComputerSoftwareMember_51bba8a5-d4a8-40ae-9e55-b431d7d23f05_terseLabel_en-US" xlink:label="lab_cls_IntangibleAssetsLessComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets, excluding computer software</link:label>
    <link:label id="lab_cls_IntangibleAssetsLessComputerSoftwareMember_label_en-US" xlink:label="lab_cls_IntangibleAssetsLessComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible Assets, Less Computer Software [Member]</link:label>
    <link:label id="lab_cls_IntangibleAssetsLessComputerSoftwareMember_documentation_en-US" xlink:label="lab_cls_IntangibleAssetsLessComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible Assets, Less Computer Software [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IntangibleAssetsLessComputerSoftwareMember" xlink:href="cls-20221231.xsd#cls_IntangibleAssetsLessComputerSoftwareMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IntangibleAssetsLessComputerSoftwareMember" xlink:to="lab_cls_IntangibleAssetsLessComputerSoftwareMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CurrentTaxAssetsMember_101362b9-b7aa-41c5-ba88-9a0a8b1d340a_terseLabel_en-US" xlink:label="lab_cls_CurrentTaxAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income taxes and value-added taxes receivable</link:label>
    <link:label id="lab_cls_CurrentTaxAssetsMember_label_en-US" xlink:label="lab_cls_CurrentTaxAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Tax Assets [Member]</link:label>
    <link:label id="lab_cls_CurrentTaxAssetsMember_documentation_en-US" xlink:label="lab_cls_CurrentTaxAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Tax Assets [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CurrentTaxAssetsMember" xlink:href="cls-20221231.xsd#cls_CurrentTaxAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CurrentTaxAssetsMember" xlink:to="lab_cls_CurrentTaxAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReversalOfInventoryWritedown_fbb5ecde-2c6e-4d63-90a0-0da364c25015_terseLabel_en-US" xlink:label="lab_ifrs-full_ReversalOfInventoryWritedown" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reversal of inventory write-down</link:label>
    <link:label id="lab_ifrs-full_ReversalOfInventoryWritedown_label_en-US" xlink:label="lab_ifrs-full_ReversalOfInventoryWritedown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reversal of inventory write-down</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReversalOfInventoryWritedown" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReversalOfInventoryWritedown"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReversalOfInventoryWritedown" xlink:to="lab_ifrs-full_ReversalOfInventoryWritedown" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_39553acb-d20e-47bd-a99f-44007cfeeba4_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Currency translation differences for foreign operations</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_6c6cabe7-4a22-42f4-96f2-4bfacf13370c_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Foreign currency translation adjustments</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other comprehensive income, net of tax, exchange differences on translation of foreign operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfHedgesAxis_74b3b203-5fe8-4376-9d87-b9101d4a08b5_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Types of hedges [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfHedgesAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Types of hedges [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfHedgesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfHedgesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfHedgesAxis" xlink:to="lab_ifrs-full_TypesOfHedgesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_1ddd8a1c-d191-4c9c-8392-7577eb65c9d7_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments for decrease (increase) in inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_GovernmentSubsidiesCOVID19_8b9f3027-5e99-43ac-9bec-000eb105cc17_terseLabel_en-US" xlink:label="lab_cls_GovernmentSubsidiesCOVID19" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Government subsidies, COVID - 19</link:label>
    <link:label id="lab_cls_GovernmentSubsidiesCOVID19_label_en-US" xlink:label="lab_cls_GovernmentSubsidiesCOVID19" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Government Subsidies, COVID - 19</link:label>
    <link:label id="lab_cls_GovernmentSubsidiesCOVID19_documentation_en-US" xlink:label="lab_cls_GovernmentSubsidiesCOVID19" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Government Subsidies, COVID - 19</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_GovernmentSubsidiesCOVID19" xlink:href="cls-20221231.xsd#cls_GovernmentSubsidiesCOVID19"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_GovernmentSubsidiesCOVID19" xlink:to="lab_cls_GovernmentSubsidiesCOVID19" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_JointControlOrSignificantInfluenceMember_6e391c1a-d3fe-4194-a210-5891ada630ff_terseLabel_en-US" xlink:label="lab_ifrs-full_JointControlOrSignificantInfluenceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entities with significant influence</link:label>
    <link:label id="lab_ifrs-full_JointControlOrSignificantInfluenceMember_label_en-US" xlink:label="lab_ifrs-full_JointControlOrSignificantInfluenceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entities with joint control or significant influence over entity [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_JointControlOrSignificantInfluenceMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointControlOrSignificantInfluenceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_JointControlOrSignificantInfluenceMember" xlink:to="lab_ifrs-full_JointControlOrSignificantInfluenceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorName_4dee987b-32d3-4e7a-9ac9-cdc7864ad0ed_terseLabel_en-US" xlink:label="lab_dei_AuditorName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Auditor Name</link:label>
    <link:label id="lab_dei_AuditorName_label_en-US" xlink:label="lab_dei_AuditorName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Auditor Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorName" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AuditorName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorName" xlink:to="lab_dei_AuditorName" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ConnectivityCloudSolutionsMember_6e38e786-fa7c-4701-9060-fa3c000afc48_terseLabel_en-US" xlink:label="lab_cls_ConnectivityCloudSolutionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Connectivity &amp; Cloud Solutions</link:label>
    <link:label id="lab_cls_ConnectivityCloudSolutionsMember_label_en-US" xlink:label="lab_cls_ConnectivityCloudSolutionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Connectivity &amp; Cloud Solutions [Member]</link:label>
    <link:label id="lab_cls_ConnectivityCloudSolutionsMember_documentation_en-US" xlink:label="lab_cls_ConnectivityCloudSolutionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Connectivity &amp; Cloud Solutions [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ConnectivityCloudSolutionsMember" xlink:href="cls-20221231.xsd#cls_ConnectivityCloudSolutionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ConnectivityCloudSolutionsMember" xlink:to="lab_cls_ConnectivityCloudSolutionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OptionLifeSharesGrantedTerm_0ded8ff9-6df8-4ef9-a903-aeffa1cdd762_terseLabel_en-US" xlink:label="lab_cls_OptionLifeSharesGrantedTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Option life, share options granted</link:label>
    <link:label id="lab_cls_OptionLifeSharesGrantedTerm_label_en-US" xlink:label="lab_cls_OptionLifeSharesGrantedTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Option Life, Shares Granted, Term</link:label>
    <link:label id="lab_cls_OptionLifeSharesGrantedTerm_documentation_en-US" xlink:label="lab_cls_OptionLifeSharesGrantedTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Option Life, Shares Granted, Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OptionLifeSharesGrantedTerm" xlink:href="cls-20221231.xsd#cls_OptionLifeSharesGrantedTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OptionLifeSharesGrantedTerm" xlink:to="lab_cls_OptionLifeSharesGrantedTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_StatementOfCashFlowsLineItems_8530cdf9-b5b2-4f88-8a71-2be0b82ed483_terseLabel_en-US" xlink:label="lab_cls_StatementOfCashFlowsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement Of Cash Flows [Line Items]</link:label>
    <link:label id="lab_cls_StatementOfCashFlowsLineItems_label_en-US" xlink:label="lab_cls_StatementOfCashFlowsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement Of Cash Flows [Line Items]</link:label>
    <link:label id="lab_cls_StatementOfCashFlowsLineItems_documentation_en-US" xlink:label="lab_cls_StatementOfCashFlowsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Line Items] for Statement Of Cash Flows [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_StatementOfCashFlowsLineItems" xlink:href="cls-20221231.xsd#cls_StatementOfCashFlowsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_StatementOfCashFlowsLineItems" xlink:to="lab_cls_StatementOfCashFlowsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CountryOfIncorporation_ff6ca8d5-cb74-4410-89d2-c264278d5d7e_terseLabel_en-US" xlink:label="lab_ifrs-full_CountryOfIncorporation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Country of incorporation</link:label>
    <link:label id="lab_ifrs-full_CountryOfIncorporation_label_en-US" xlink:label="lab_ifrs-full_CountryOfIncorporation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Country of incorporation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CountryOfIncorporation" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CountryOfIncorporation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CountryOfIncorporation" xlink:to="lab_ifrs-full_CountryOfIncorporation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_97c98a9c-44e0-40ea-b87f-e63a88055f06_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLoansAndReceivablesExplanatory_9894b733-a732-4c98-acb5-d84a271c6d70_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLoansAndReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amortized cost</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLoansAndReceivablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLoansAndReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for loans and receivables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForLoansAndReceivablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForLoansAndReceivablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForLoansAndReceivablesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForLoansAndReceivablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAndAverageEffectiveTaxRateTableTextBlock_91d9ab36-4e0a-46d8-bef1-980d000ef859_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAndAverageEffectiveTaxRateTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Reconciliation Of Income Taxes Calculated At The Statutory Income Tax Rate To The Effective Tax Rate</link:label>
    <link:label id="lab_cls_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAndAverageEffectiveTaxRateTableTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAndAverageEffectiveTaxRateTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Reconciliation Of Accounting Profit Multiplied By Applicable Tax Rates And Average Effective Tax Rate [Table Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAndAverageEffectiveTaxRateTableTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAndAverageEffectiveTaxRateTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Reconciliation Of Accounting Profit Multiplied By Applicable Tax Rates And Average Effective Tax Rate [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAndAverageEffectiveTaxRateTableTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAndAverageEffectiveTaxRateTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAndAverageEffectiveTaxRateTableTextBlock" xlink:to="lab_cls_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAndAverageEffectiveTaxRateTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets_99ab3aef-59bc-4958-a47f-c73d8e42a290_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets_label_en-US" xlink:label="lab_ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other assets, amount contributed to fair value of plan assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets" xlink:to="lab_ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherRelatedPartiesMember_7b189f81-f5cd-47f2-95e1-527d41021f8d_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other related parties</link:label>
    <link:label id="lab_ifrs-full_OtherRelatedPartiesMember_label_en-US" xlink:label="lab_ifrs-full_OtherRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other related parties [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherRelatedPartiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherRelatedPartiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherRelatedPartiesMember" xlink:to="lab_ifrs-full_OtherRelatedPartiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_eb80c343-5f41-493a-bbef-057be335aa3a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pension and Non-pension Post-employment Benefit Plans</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of employee benefits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfEmployeeBenefitsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_cf8e8784-bbef-424d-8f46-c9521d3233e0_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current lease liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLeaseLiabilities" xlink:to="lab_ifrs-full_CurrentLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PlanName1Axis_ae5e5951-a1c6-432e-8f7c-449562d7410e_terseLabel_en-US" xlink:label="lab_cls_PlanName1Axis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan Name [Axis]</link:label>
    <link:label id="lab_cls_PlanName1Axis_label_en-US" xlink:label="lab_cls_PlanName1Axis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan Name1 [Axis]</link:label>
    <link:label id="lab_cls_PlanName1Axis_documentation_en-US" xlink:label="lab_cls_PlanName1Axis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan Name [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PlanName1Axis" xlink:href="cls-20221231.xsd#cls_PlanName1Axis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PlanName1Axis" xlink:to="lab_cls_PlanName1Axis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PerformanceShareUnitsPSUMember_40201f04-3e4e-4f83-851e-b1feab9200a1_terseLabel_en-US" xlink:label="lab_cls_PerformanceShareUnitsPSUMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">PSUs</link:label>
    <link:label id="lab_cls_PerformanceShareUnitsPSUMember_label_en-US" xlink:label="lab_cls_PerformanceShareUnitsPSUMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Performance Share Units (PSU) [Member]</link:label>
    <link:label id="lab_cls_PerformanceShareUnitsPSUMember_documentation_en-US" xlink:label="lab_cls_PerformanceShareUnitsPSUMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Performance Share Units (PSU) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PerformanceShareUnitsPSUMember" xlink:href="cls-20221231.xsd#cls_PerformanceShareUnitsPSUMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PerformanceShareUnitsPSUMember" xlink:to="lab_cls_PerformanceShareUnitsPSUMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsExplanatory_444799c9-1425-4354-bd6e-cececa73946b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Market Value of Plan Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of fair value of plan assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueOfPlanAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFairValueOfPlanAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueOfPlanAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_WeightedAverageFairValueAtTheGrantDate_18429a8a-2690-4699-93c2-eab32052c7e1_terseLabel_en-US" xlink:label="lab_cls_WeightedAverageFairValueAtTheGrantDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average grant date fair value per unit (in usd per share)</link:label>
    <link:label id="lab_cls_WeightedAverageFairValueAtTheGrantDate_label_en-US" xlink:label="lab_cls_WeightedAverageFairValueAtTheGrantDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted Average Fair Value At The Grant Date</link:label>
    <link:label id="lab_cls_WeightedAverageFairValueAtTheGrantDate_documentation_en-US" xlink:label="lab_cls_WeightedAverageFairValueAtTheGrantDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted Average Fair Value At The Grant Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_WeightedAverageFairValueAtTheGrantDate" xlink:href="cls-20221231.xsd#cls_WeightedAverageFairValueAtTheGrantDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_WeightedAverageFairValueAtTheGrantDate" xlink:to="lab_cls_WeightedAverageFairValueAtTheGrantDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory_d0802438-5d68-43c7-ac34-4e6e3535c2eb_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Sensitivity Analysis for Actuarial Assumptions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NumberOfManufacturingFacilities_743ee23a-397b-46cb-8713-5079410da2e2_terseLabel_en-US" xlink:label="lab_cls_NumberOfManufacturingFacilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of manufacturing facilities</link:label>
    <link:label id="lab_cls_NumberOfManufacturingFacilities_label_en-US" xlink:label="lab_cls_NumberOfManufacturingFacilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Manufacturing Facilities</link:label>
    <link:label id="lab_cls_NumberOfManufacturingFacilities_documentation_en-US" xlink:label="lab_cls_NumberOfManufacturingFacilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Manufacturing Facilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NumberOfManufacturingFacilities" xlink:href="cls-20221231.xsd#cls_NumberOfManufacturingFacilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NumberOfManufacturingFacilities" xlink:to="lab_cls_NumberOfManufacturingFacilities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear1_c6e04ccf-8cad-43b3-b9bc-8a56aeef1e73_terseLabel_en-US" xlink:label="lab_cls_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Immediate trend</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear1_label_en-US" xlink:label="lab_cls_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year1</link:label>
    <link:label id="lab_cls_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear1_documentation_en-US" xlink:label="lab_cls_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear1" xlink:href="cls-20221231.xsd#cls_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear1" xlink:to="lab_cls_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear1" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TotalReturnSwapAgreementMember_285cb25e-7dab-49fe-8dcd-bb0c3ac9642a_terseLabel_en-US" xlink:label="lab_cls_TotalReturnSwapAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total Return Swap Agreement</link:label>
    <link:label id="lab_cls_TotalReturnSwapAgreementMember_label_en-US" xlink:label="lab_cls_TotalReturnSwapAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total Return Swap Agreement [Member]</link:label>
    <link:label id="lab_cls_TotalReturnSwapAgreementMember_documentation_en-US" xlink:label="lab_cls_TotalReturnSwapAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total Return Swap Agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TotalReturnSwapAgreementMember" xlink:href="cls-20221231.xsd#cls_TotalReturnSwapAgreementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TotalReturnSwapAgreementMember" xlink:to="lab_cls_TotalReturnSwapAgreementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_d6495100-3531-44d6-a50b-5c1054366785_totalLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net increase (decrease) in cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) in cash and cash equivalents after effect of exchange rate changes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_d874dc08-883e-47bf-9ee5-3917bcb7b33c_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expected volatility, share options granted</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expected volatility, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember_fcf5a5d5-f69a-4908-8deb-c005f4619b89_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember_label_en-US" xlink:label="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other property, plant and equipment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherPropertyPlantAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:to="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract_a9ffe6c4-9b00-43d6-a2f7-e836ef07e079_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation of changes in other provisions [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation of changes in other provisions [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncrementalSwapsMember_87ff5c4f-5ffd-4dfe-963b-c520debd72f8_terseLabel_en-US" xlink:label="lab_cls_IncrementalSwapsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Incremental Swaps</link:label>
    <link:label id="lab_cls_IncrementalSwapsMember_label_en-US" xlink:label="lab_cls_IncrementalSwapsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Incremental Swaps [Member]</link:label>
    <link:label id="lab_cls_IncrementalSwapsMember_documentation_en-US" xlink:label="lab_cls_IncrementalSwapsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Incremental Swaps</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncrementalSwapsMember" xlink:href="cls-20221231.xsd#cls_IncrementalSwapsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncrementalSwapsMember" xlink:to="lab_cls_IncrementalSwapsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory_7e9d09c9-8f9b-40b3-9f42-a18224850a8e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted Average Number of Shares Diluted</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of earnings per share [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfEarningsPerShareExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_b75c3175-3c02-4726-989c-7f320b147d6c_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CustomerTwoMember_44150146-ecda-4164-a184-1f8d347707dc_terseLabel_en-US" xlink:label="lab_cls_CustomerTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer Two</link:label>
    <link:label id="lab_cls_CustomerTwoMember_label_en-US" xlink:label="lab_cls_CustomerTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer Two [Member]</link:label>
    <link:label id="lab_cls_CustomerTwoMember_documentation_en-US" xlink:label="lab_cls_CustomerTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CustomerTwoMember" xlink:href="cls-20221231.xsd#cls_CustomerTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CustomerTwoMember" xlink:to="lab_cls_CustomerTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_932dc6d3-76ce-42d3-b2c4-87301a4a0a02_verboseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impairment loss recognised in profit or loss</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impairment loss recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems_531d02de-29a8-4a88-9100-d5caf42cc094_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of defined benefit plans [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of defined benefit plans [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:to="lab_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_DirectorMember_dc295e13-53e4-4478-bfaf-bda9433a2157_terseLabel_en-US" xlink:label="lab_srt_DirectorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Director</link:label>
    <link:label id="lab_srt_DirectorMember_label_en-US" xlink:label="lab_srt_DirectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Director [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_DirectorMember" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_DirectorMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_DirectorMember" xlink:to="lab_srt_DirectorMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansAbstract_303d3a56-0cce-44b1-a57e-d786673c1bb4_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial losses (gains) in other comprehensive income from:</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansAbstract_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansAbstract" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods_f295e0b1-37f2-4812-8d77-11619a1f7fd4_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods_c70fbb0a-0f5e-4e27-9857-165d446b4a61_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current tax expense</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current tax expense (income) and adjustments for current tax of prior periods</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:to="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_aeb9af6d-070f-4443-97b3-28314e6852e8_terseLabel_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Level&#160;1</link:label>
    <link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Level 1 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level1OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Level1OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level1OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities_0488c847-245b-4478-a6b5-a6a69b1698ad_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Variable lease payments not included in the measurement of lease obligations</link:label>
    <link:label id="lab_ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expense relating to variable lease payments not included in measurement of lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" xlink:to="lab_ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_d0c9c9c9-b462-45be-916a-37fe7dd7b301_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">SBC (including DSUs and RSUs to eligible directors)</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Key management personnel compensation, share-based payment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_c3aa1fec-8395-4566-9d7b-cdd71fc8d640_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares issued (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_deebcdb1-7424-49c5-b7b2-afe657d35ab2_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares issued, beginning balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_52c5ade6-5cca-4cd8-a47b-daf75ee4a477_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares issued, ending balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesIssued" xlink:to="lab_ifrs-full_NumberOfSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TaxEffectOfExchangeDifferencesOnTranslation_e200cd0b-e90e-42dc-8568-7c73e6191f13_terseLabel_en-US" xlink:label="lab_cls_TaxEffectOfExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Foreign exchange</link:label>
    <link:label id="lab_cls_TaxEffectOfExchangeDifferencesOnTranslation_label_en-US" xlink:label="lab_cls_TaxEffectOfExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Effect Of Exchange Differences On Translation</link:label>
    <link:label id="lab_cls_TaxEffectOfExchangeDifferencesOnTranslation_documentation_en-US" xlink:label="lab_cls_TaxEffectOfExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Effect Of Exchange Differences On Translation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TaxEffectOfExchangeDifferencesOnTranslation" xlink:href="cls-20221231.xsd#cls_TaxEffectOfExchangeDifferencesOnTranslation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TaxEffectOfExchangeDifferencesOnTranslation" xlink:to="lab_cls_TaxEffectOfExchangeDifferencesOnTranslation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset_3f2bc9c7-568d-4aa8-bdd7-c43262af75f9_verboseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Benefit payments from plan</link:label>
    <link:label id="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset_2744d163-3bca-4310-a9e8-398396738c43_negatedLabel_en-US" xlink:label="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Benefit payments from plan</link:label>
    <link:label id="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Decrease (increase) in net defined benefit liability (asset) resulting from payments from plan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisposalOfAssetsReclassifiedAsHeldForSaleMember_711131be-b724-411e-92f1-4c1106a830ac_terseLabel_en-US" xlink:label="lab_cls_DisposalOfAssetsReclassifiedAsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disposal Of Assets Reclassified As Held-For-Sale</link:label>
    <link:label id="lab_cls_DisposalOfAssetsReclassifiedAsHeldForSaleMember_label_en-US" xlink:label="lab_cls_DisposalOfAssetsReclassifiedAsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disposal Of Assets Reclassified As Held-For-Sale [Member]</link:label>
    <link:label id="lab_cls_DisposalOfAssetsReclassifiedAsHeldForSaleMember_documentation_en-US" xlink:label="lab_cls_DisposalOfAssetsReclassifiedAsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disposal Of Assets Reclassified As Held-For-Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisposalOfAssetsReclassifiedAsHeldForSaleMember" xlink:href="cls-20221231.xsd#cls_DisposalOfAssetsReclassifiedAsHeldForSaleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisposalOfAssetsReclassifiedAsHeldForSaleMember" xlink:to="lab_cls_DisposalOfAssetsReclassifiedAsHeldForSaleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CustomerOneMember_5ad0921b-6f0e-47c4-9947-dc1568b6530b_terseLabel_en-US" xlink:label="lab_cls_CustomerOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer One</link:label>
    <link:label id="lab_cls_CustomerOneMember_label_en-US" xlink:label="lab_cls_CustomerOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer One [Member]</link:label>
    <link:label id="lab_cls_CustomerOneMember_documentation_en-US" xlink:label="lab_cls_CustomerOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CustomerOneMember" xlink:href="cls-20221231.xsd#cls_CustomerOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CustomerOneMember" xlink:to="lab_cls_CustomerOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_4eb72488-f44c-4ea7-b7ca-d31ec7d3e9dd_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from sale of assets</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from sales of property, plant and equipment, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset_a23db464-4f15-4f0f-b985-c6ab5c879e49_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">&#8212; Experience adjustments</link:label>
    <link:label id="lab_ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Decrease (increase) in net defined benefit liability (asset) resulting from actuarial gains (losses) arising from experience adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis_eed54db8-0345-4ce6-b381-0a890b47dc5b_terseLabel_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash-generating units [axis]</link:label>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis_label_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash-generating units [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:to="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ScheduleOfShareRepurchaseActivitiesTableTextBlock_91070704-4541-430d-bbd1-afcb49cb408e_terseLabel_en-US" xlink:label="lab_cls_ScheduleOfShareRepurchaseActivitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of repurchase and reverse repurchase agreements</link:label>
    <link:label id="lab_cls_ScheduleOfShareRepurchaseActivitiesTableTextBlock_label_en-US" xlink:label="lab_cls_ScheduleOfShareRepurchaseActivitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule Of Share Repurchase Activities [Table Text Block]</link:label>
    <link:label id="lab_cls_ScheduleOfShareRepurchaseActivitiesTableTextBlock_documentation_en-US" xlink:label="lab_cls_ScheduleOfShareRepurchaseActivitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule Of Share Repurchase Activities [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ScheduleOfShareRepurchaseActivitiesTableTextBlock" xlink:href="cls-20221231.xsd#cls_ScheduleOfShareRepurchaseActivitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ScheduleOfShareRepurchaseActivitiesTableTextBlock" xlink:to="lab_cls_ScheduleOfShareRepurchaseActivitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset_56223917-df20-486d-b733-5ef4e0da0188_terseLabel_en-US" xlink:label="lab_cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement payments from employer</link:label>
    <link:label id="lab_cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset_278a5611-d730-467a-b9f6-08d85466294c_negatedTerseLabel_en-US" xlink:label="lab_cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement payments from employer</link:label>
    <link:label id="lab_cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement Payments From Employer, Net Defined Benefit Liability (Asset)</link:label>
    <link:label id="lab_cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset_documentation_en-US" xlink:label="lab_cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement Payments From Employer, Net Defined Benefit Liability (Asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:href="cls-20221231.xsd#cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:to="lab_cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Goodwill_fe471e84-537d-4d75-add0-f7818642de1f_verboseLabel_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_ifrs-full_Goodwill_498561d5-55cb-47d6-ba6c-5b0060f28fa9_terseLabel_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_ifrs-full_Goodwill_dc41b738-8167-44e1-9d22-3a0e2ba1de3b_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill at beginning of period</link:label>
    <link:label id="lab_ifrs-full_Goodwill_4b3c5532-251b-4cbd-8b71-d665c858625a_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill at end of period</link:label>
    <link:label id="lab_ifrs-full_Goodwill_label_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Goodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Goodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Goodwill" xlink:to="lab_ifrs-full_Goodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_EnterpriseMember_e1d1d0cc-dce2-41e4-91b1-cca58e4ed1b9_terseLabel_en-US" xlink:label="lab_cls_EnterpriseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Enterprise</link:label>
    <link:label id="lab_cls_EnterpriseMember_label_en-US" xlink:label="lab_cls_EnterpriseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Enterprise [Member]</link:label>
    <link:label id="lab_cls_EnterpriseMember_documentation_en-US" xlink:label="lab_cls_EnterpriseMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Enterprise</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_EnterpriseMember" xlink:href="cls-20221231.xsd#cls_EnterpriseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_EnterpriseMember" xlink:to="lab_cls_EnterpriseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ReclassificationAdjustmentsOnGainLossOnPurchaseOfAnnuitiesRecognizedInOtherComprehensiveIncomeNetOfTax_3d4e4667-6e64-44b9-8560-7ec4fec5d88a_terseLabel_en-US" xlink:label="lab_cls_ReclassificationAdjustmentsOnGainLossOnPurchaseOfAnnuitiesRecognizedInOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification of loss on purchase of pension annuities to deficit</link:label>
    <link:label id="lab_cls_ReclassificationAdjustmentsOnGainLossOnPurchaseOfAnnuitiesRecognizedInOtherComprehensiveIncomeNetOfTax_label_en-US" xlink:label="lab_cls_ReclassificationAdjustmentsOnGainLossOnPurchaseOfAnnuitiesRecognizedInOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification Adjustments On Gain (Loss) On Purchase Of Annuities Recognized In Other Comprehensive Income, Net Of Tax</link:label>
    <link:label id="lab_cls_ReclassificationAdjustmentsOnGainLossOnPurchaseOfAnnuitiesRecognizedInOtherComprehensiveIncomeNetOfTax_documentation_en-US" xlink:label="lab_cls_ReclassificationAdjustmentsOnGainLossOnPurchaseOfAnnuitiesRecognizedInOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification Adjustments On Gain (Loss) On Purchase Of Annuities Recognized In Other Comprehensive Income, Net Of Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ReclassificationAdjustmentsOnGainLossOnPurchaseOfAnnuitiesRecognizedInOtherComprehensiveIncomeNetOfTax" xlink:href="cls-20221231.xsd#cls_ReclassificationAdjustmentsOnGainLossOnPurchaseOfAnnuitiesRecognizedInOtherComprehensiveIncomeNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ReclassificationAdjustmentsOnGainLossOnPurchaseOfAnnuitiesRecognizedInOtherComprehensiveIncomeNetOfTax" xlink:to="lab_cls_ReclassificationAdjustmentsOnGainLossOnPurchaseOfAnnuitiesRecognizedInOtherComprehensiveIncomeNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_EmployerDirectBenefitPaymentsNetDefinedBenefitLiabilityAsset_e2986096-1fb5-4ce3-baaf-0e56cae383bf_negatedTerseLabel_en-US" xlink:label="lab_cls_EmployerDirectBenefitPaymentsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employer direct benefit payments</link:label>
    <link:label id="lab_cls_EmployerDirectBenefitPaymentsNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_cls_EmployerDirectBenefitPaymentsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employer Direct Benefit Payments, Net Defined Benefit Liability (Asset)</link:label>
    <link:label id="lab_cls_EmployerDirectBenefitPaymentsNetDefinedBenefitLiabilityAsset_documentation_en-US" xlink:label="lab_cls_EmployerDirectBenefitPaymentsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employer Direct Benefit Payments, Net Defined Benefit Liability (Asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_EmployerDirectBenefitPaymentsNetDefinedBenefitLiabilityAsset" xlink:href="cls-20221231.xsd#cls_EmployerDirectBenefitPaymentsNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_EmployerDirectBenefitPaymentsNetDefinedBenefitLiabilityAsset" xlink:to="lab_cls_EmployerDirectBenefitPaymentsNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_939146f5-174f-4543-b82e-be62696127d2_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_dde78cd7-c8a6-4970-99dc-efd7db20f85e_totalLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax expense</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeferredTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncome" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentShellCompanyReport_d8007fe3-88bd-45ee-9647-c034f66b7101_terseLabel_en-US" xlink:label="lab_dei_DocumentShellCompanyReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Shell Company</link:label>
    <link:label id="lab_dei_DocumentShellCompanyReport_label_en-US" xlink:label="lab_dei_DocumentShellCompanyReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Shell Company Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentShellCompanyReport" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentShellCompanyReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentShellCompanyReport" xlink:to="lab_dei_DocumentShellCompanyReport" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeAxis_dbb29238-842c-4729-94be-efafa6295f93_terseLabel_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:label id="lab_srt_RangeAxis_label_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeAxis" xlink:to="lab_srt_RangeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset_302da00f-0eff-4b79-8014-c49755ed082e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">&#8212; Changes in financial assumptions</link:label>
    <link:label id="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Decrease (increase) in net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in financial assumptions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCurrentAssets_6673d174-e369-4b30-bd37-1885380b4682_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other current assets</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentAssets_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherCurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentAssets" xlink:to="lab_ifrs-full_OtherCurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncrementalTermLoanMember_1ca1896e-4681-4f6c-8228-3ccbb928d709_verboseLabel_en-US" xlink:label="lab_cls_IncrementalTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Incremental Term Loan</link:label>
    <link:label id="lab_cls_IncrementalTermLoanMember_1ae79ba8-ed63-4e78-989a-44e83ecc4c18_terseLabel_en-US" xlink:label="lab_cls_IncrementalTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Incremental Term Loan</link:label>
    <link:label id="lab_cls_IncrementalTermLoanMember_label_en-US" xlink:label="lab_cls_IncrementalTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Incremental Term Loan [Member]</link:label>
    <link:label id="lab_cls_IncrementalTermLoanMember_documentation_en-US" xlink:label="lab_cls_IncrementalTermLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Incremental Term Loan [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncrementalTermLoanMember" xlink:href="cls-20221231.xsd#cls_IncrementalTermLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncrementalTermLoanMember" xlink:to="lab_cls_IncrementalTermLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveThree_6bff0dad-30b9-4ec2-8ae9-4b48d12a15b6_terseLabel_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveThree" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Term of third tax incentive</link:label>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveThree_label_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveThree" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Incentive, Exemption Term, Incentive Three</link:label>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveThree_documentation_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveThree" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Incentive, Exemption Term, Incentive Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxIncentiveExemptionTermIncentiveThree" xlink:href="cls-20221231.xsd#cls_IncomeTaxIncentiveExemptionTermIncentiveThree"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxIncentiveExemptionTermIncentiveThree" xlink:to="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveThree" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_a0b7e015-c670-48ef-8648-189c264773e5_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InventoryWritedown2011_49b5ad31-6a8f-478a-8fc8-3a922db85307_terseLabel_en-US" xlink:label="lab_ifrs-full_InventoryWritedown2011" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory write-down</link:label>
    <link:label id="lab_ifrs-full_InventoryWritedown2011_label_en-US" xlink:label="lab_ifrs-full_InventoryWritedown2011" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory write-down</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InventoryWritedown2011" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InventoryWritedown2011"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InventoryWritedown2011" xlink:to="lab_ifrs-full_InventoryWritedown2011" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about business combination [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBusinessCombinationsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfBusinessCombinationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBusinessCombinationsAbstract" xlink:to="lab_ifrs-full_DisclosureOfBusinessCombinationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers_43451e7b-f60e-49a2-98cc-276c5216a989_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred investment costs</link:label>
    <link:label id="lab_ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers_label_en-US" xlink:label="lab_ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets recognised from costs to obtain or fulfil contracts with customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" xlink:to="lab_ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption_974e3f34-4bf6-47be-a0c3-eb7e10b09137_terseLabel_en-US" xlink:label="lab_cls_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit facility accordion feature</link:label>
    <link:label id="lab_cls_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption_label_en-US" xlink:label="lab_cls_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowing Facilities, Accordion Feature, Higher Borrowing Capacity Option</link:label>
    <link:label id="lab_cls_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption_documentation_en-US" xlink:label="lab_cls_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowing Facilities, Accordion Feature, Higher Borrowing Capacity Option</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:href="cls-20221231.xsd#cls_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:to="lab_cls_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RevolvingCreditFacilityDueDec2026Member_f2ab7e0a-0f79-475a-8e41-74b2eadb813b_terseLabel_en-US" xlink:label="lab_cls_RevolvingCreditFacilityDueDec2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility Due Dec 2026</link:label>
    <link:label id="lab_cls_RevolvingCreditFacilityDueDec2026Member_label_en-US" xlink:label="lab_cls_RevolvingCreditFacilityDueDec2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility Due Dec 2026 [Member]</link:label>
    <link:label id="lab_cls_RevolvingCreditFacilityDueDec2026Member_documentation_en-US" xlink:label="lab_cls_RevolvingCreditFacilityDueDec2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility Due Dec 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RevolvingCreditFacilityDueDec2026Member" xlink:href="cls-20221231.xsd#cls_RevolvingCreditFacilityDueDec2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RevolvingCreditFacilityDueDec2026Member" xlink:to="lab_cls_RevolvingCreditFacilityDueDec2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_3e5fc5c3-dcee-4297-902a-1a8130344126_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [axis]</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AdditionalIncrementalSwapsMember_d401c8a6-f06a-4624-b6e9-463a092d2102_terseLabel_en-US" xlink:label="lab_cls_AdditionalIncrementalSwapsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional Incremental Swaps</link:label>
    <link:label id="lab_cls_AdditionalIncrementalSwapsMember_label_en-US" xlink:label="lab_cls_AdditionalIncrementalSwapsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional Incremental Swaps [Member]</link:label>
    <link:label id="lab_cls_AdditionalIncrementalSwapsMember_documentation_en-US" xlink:label="lab_cls_AdditionalIncrementalSwapsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional Incremental Swaps</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AdditionalIncrementalSwapsMember" xlink:href="cls-20221231.xsd#cls_AdditionalIncrementalSwapsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AdditionalIncrementalSwapsMember" xlink:to="lab_cls_AdditionalIncrementalSwapsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_ea4a8cbb-89e9-451f-9143-d715ab100022_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Detailed Information About Intangible Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about intangible assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OtherChargesRecoveriesByFunction_62d6eaf7-e9ad-4869-b50b-96c5e23fefc6_terseLabel_en-US" xlink:label="lab_cls_OtherChargesRecoveriesByFunction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other charges, net of recoveries</link:label>
    <link:label id="lab_cls_OtherChargesRecoveriesByFunction_label_en-US" xlink:label="lab_cls_OtherChargesRecoveriesByFunction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Charges (Recoveries), By Function</link:label>
    <link:label id="lab_cls_OtherChargesRecoveriesByFunction_documentation_en-US" xlink:label="lab_cls_OtherChargesRecoveriesByFunction" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Charges (Recoveries), By Function</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OtherChargesRecoveriesByFunction" xlink:href="cls-20221231.xsd#cls_OtherChargesRecoveriesByFunction"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OtherChargesRecoveriesByFunction" xlink:to="lab_cls_OtherChargesRecoveriesByFunction" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressesAddressTypeAxis_fb770845-0106-46af-8376-4433d2693422_terseLabel_en-US" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Addresses, Address Type [Axis]</link:label>
    <link:label id="lab_dei_EntityAddressesAddressTypeAxis_label_en-US" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Addresses, Address Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesAddressTypeAxis" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressesAddressTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressesAddressTypeAxis" xlink:to="lab_dei_EntityAddressesAddressTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BuildingBuildingImprovementsandLeaseholdImprovementsMember_d48948f4-3b68-4aad-9e67-3d8cb4915f06_terseLabel_en-US" xlink:label="lab_cls_BuildingBuildingImprovementsandLeaseholdImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Buildings including improvements</link:label>
    <link:label id="lab_cls_BuildingBuildingImprovementsandLeaseholdImprovementsMember_label_en-US" xlink:label="lab_cls_BuildingBuildingImprovementsandLeaseholdImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Building, Building Improvements and Leasehold Improvements [Member]</link:label>
    <link:label id="lab_cls_BuildingBuildingImprovementsandLeaseholdImprovementsMember_documentation_en-US" xlink:label="lab_cls_BuildingBuildingImprovementsandLeaseholdImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Building, Building Improvements and Leasehold Improvements [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BuildingBuildingImprovementsandLeaseholdImprovementsMember" xlink:href="cls-20221231.xsd#cls_BuildingBuildingImprovementsandLeaseholdImprovementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BuildingBuildingImprovementsandLeaseholdImprovementsMember" xlink:to="lab_cls_BuildingBuildingImprovementsandLeaseholdImprovementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_4bb02de3-6909-48ea-93f3-4c354f745bca_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments to net earnings for items not affecting cash:</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments to reconcile profit (loss) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssueOfEquity_c533563a-3323-469f-b269-dbca82af6b34_terseLabel_en-US" xlink:label="lab_ifrs-full_IssueOfEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Issuance of capital stock</link:label>
    <link:label id="lab_ifrs-full_IssueOfEquity_label_en-US" xlink:label="lab_ifrs-full_IssueOfEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Issue of equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssueOfEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IssueOfEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssueOfEquity" xlink:to="lab_ifrs-full_IssueOfEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LeasesAnnualRentExpense_6d954fe5-9227-4ed8-8f1d-7e205aeb4c60_terseLabel_en-US" xlink:label="lab_cls_LeasesAnnualRentExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Annual base rent expense</link:label>
    <link:label id="lab_cls_LeasesAnnualRentExpense_label_en-US" xlink:label="lab_cls_LeasesAnnualRentExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Leases, Annual Rent Expense</link:label>
    <link:label id="lab_cls_LeasesAnnualRentExpense_documentation_en-US" xlink:label="lab_cls_LeasesAnnualRentExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Leases, Annual Rent Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LeasesAnnualRentExpense" xlink:href="cls-20221231.xsd#cls_LeasesAnnualRentExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LeasesAnnualRentExpense" xlink:to="lab_cls_LeasesAnnualRentExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AccountsReceivableAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate_9e627b3e-c527-4e91-9ddb-23161129921e_terseLabel_en-US" xlink:label="lab_cls_AccountsReceivableAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts receivable and other current assets</link:label>
    <link:label id="lab_cls_AccountsReceivableAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_cls_AccountsReceivableAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable And Other Current Assets Recognised As Of Acquisition Date</link:label>
    <link:label id="lab_cls_AccountsReceivableAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_cls_AccountsReceivableAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable And Other Current Assets Recognised As Of Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AccountsReceivableAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:href="cls-20221231.xsd#cls_AccountsReceivableAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AccountsReceivableAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:to="lab_cls_AccountsReceivableAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByTypeAbstract_728a6f77-0869-4e4c-9af1-2fa736f3efdc_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByTypeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings, by type [abstract]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByTypeAbstract_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByTypeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings, by type [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByTypeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByTypeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByTypeAbstract" xlink:to="lab_ifrs-full_BorrowingsByTypeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_KeyManagementPersonnelCompensationPostemploymentAndOtherLongtermEmployeeBenefits_b9d6d5ee-6bdb-4733-ad67-d040c0817dbe_terseLabel_en-US" xlink:label="lab_cls_KeyManagementPersonnelCompensationPostemploymentAndOtherLongtermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Post-employment and other long-term benefits</link:label>
    <link:label id="lab_cls_KeyManagementPersonnelCompensationPostemploymentAndOtherLongtermEmployeeBenefits_label_en-US" xlink:label="lab_cls_KeyManagementPersonnelCompensationPostemploymentAndOtherLongtermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Key Management Personnel Compensation, Post-employment And Other Long-term Employee Benefits</link:label>
    <link:label id="lab_cls_KeyManagementPersonnelCompensationPostemploymentAndOtherLongtermEmployeeBenefits_documentation_en-US" xlink:label="lab_cls_KeyManagementPersonnelCompensationPostemploymentAndOtherLongtermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Key Management Personnel Compensation, Post-employment And Other Long-term Employee Benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_KeyManagementPersonnelCompensationPostemploymentAndOtherLongtermEmployeeBenefits" xlink:href="cls-20221231.xsd#cls_KeyManagementPersonnelCompensationPostemploymentAndOtherLongtermEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_KeyManagementPersonnelCompensationPostemploymentAndOtherLongtermEmployeeBenefits" xlink:to="lab_cls_KeyManagementPersonnelCompensationPostemploymentAndOtherLongtermEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorFirmId_00811a56-e6ae-4cca-85d0-c1d4ee17284e_terseLabel_en-US" xlink:label="lab_dei_AuditorFirmId" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Auditor Firm ID</link:label>
    <link:label id="lab_dei_AuditorFirmId_label_en-US" xlink:label="lab_dei_AuditorFirmId" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Auditor Firm ID</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorFirmId" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AuditorFirmId"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorFirmId" xlink:to="lab_dei_AuditorFirmId" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncome_29ded4e3-25fe-4ceb-acdd-94969cf8a620_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated other comprehensive loss</link:label>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncome_3e25fb7d-1564-450e-aac3-52158a5e88f1_periodStartLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated other comprehensive income, beginning balance</link:label>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncome_9b11eb2f-761a-4f7a-b14a-2dc4b8774222_periodEndLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated other comprehensive income, ending balance</link:label>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:to="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBorrowingsExplanatory_93e7fdbf-571b-4676-b5d2-939eed80684c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facilities and Lease Obligations</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentProvisions_9ce5dd20-364a-4cd0-9ea6-0d42384ce567_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current portion of provisions</link:label>
    <link:label id="lab_ifrs-full_CurrentProvisions_4b8a5062-9950-4b17-9316-8a1e83158d64_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentProvisions_label_en-US" xlink:label="lab_ifrs-full_CurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentProvisions" xlink:to="lab_ifrs-full_CurrentProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgingInstrumentsAxis_355b7004-00a3-42e5-81a1-127b4052d7bb_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedging instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_HedgingInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedging instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgingInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_HedgingInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgingInstrumentsAxis" xlink:to="lab_ifrs-full_HedgingInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentTransitionReport_bc5923a6-a6b4-47e1-ad85-8a5184872aa6_terseLabel_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Transition Report</link:label>
    <link:label id="lab_dei_DocumentTransitionReport_label_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Transition Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentTransitionReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentTransitionReport" xlink:to="lab_dei_DocumentTransitionReport" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_LocalPhoneNumber_17435811-5c04-4c8c-8f43-aba6752534bf_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Local Phone Number</link:label>
    <link:label id="lab_dei_LocalPhoneNumber_label_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Local Phone Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LocalPhoneNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LocalPhoneNumber" xlink:to="lab_dei_LocalPhoneNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_StockRepurchaseProgramNumberOfSharesRemaining_17cd399f-8876-4a98-bb32-7a3f00f55909_terseLabel_en-US" xlink:label="lab_cls_StockRepurchaseProgramNumberOfSharesRemaining" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock repurchase program, number of shares remaining</link:label>
    <link:label id="lab_cls_StockRepurchaseProgramNumberOfSharesRemaining_label_en-US" xlink:label="lab_cls_StockRepurchaseProgramNumberOfSharesRemaining" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Repurchase Program, Number Of Shares Remaining</link:label>
    <link:label id="lab_cls_StockRepurchaseProgramNumberOfSharesRemaining_documentation_en-US" xlink:label="lab_cls_StockRepurchaseProgramNumberOfSharesRemaining" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Repurchase Program, Number Of Shares Remaining</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_StockRepurchaseProgramNumberOfSharesRemaining" xlink:href="cls-20221231.xsd#cls_StockRepurchaseProgramNumberOfSharesRemaining"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_StockRepurchaseProgramNumberOfSharesRemaining" xlink:to="lab_cls_StockRepurchaseProgramNumberOfSharesRemaining" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ShareRepurchaseProgram1Axis_f2a10ac0-f55c-49ef-81a1-10738ba71d0f_terseLabel_en-US" xlink:label="lab_cls_ShareRepurchaseProgram1Axis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share Repurchase Program [Axis]</link:label>
    <link:label id="lab_cls_ShareRepurchaseProgram1Axis_label_en-US" xlink:label="lab_cls_ShareRepurchaseProgram1Axis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share Repurchase Program1 [Axis]</link:label>
    <link:label id="lab_cls_ShareRepurchaseProgram1Axis_documentation_en-US" xlink:label="lab_cls_ShareRepurchaseProgram1Axis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share Repurchase Program1 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ShareRepurchaseProgram1Axis" xlink:href="cls-20221231.xsd#cls_ShareRepurchaseProgram1Axis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ShareRepurchaseProgram1Axis" xlink:to="lab_cls_ShareRepurchaseProgram1Axis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxExpenseBenefitRTPAdjustmentsRelatedToPriorYears_bf0ab7ea-8225-4e09-8978-47795c67f50c_negatedTerseLabel_en-US" xlink:label="lab_cls_IncomeTaxExpenseBenefitRTPAdjustmentsRelatedToPriorYears" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">RTP adjustments</link:label>
    <link:label id="lab_cls_IncomeTaxExpenseBenefitRTPAdjustmentsRelatedToPriorYears_label_en-US" xlink:label="lab_cls_IncomeTaxExpenseBenefitRTPAdjustmentsRelatedToPriorYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Expense (Benefit), RTP Adjustments Related To Prior Years</link:label>
    <link:label id="lab_cls_IncomeTaxExpenseBenefitRTPAdjustmentsRelatedToPriorYears_documentation_en-US" xlink:label="lab_cls_IncomeTaxExpenseBenefitRTPAdjustmentsRelatedToPriorYears" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Expense (Benefit), RTP Adjustments Related To Prior Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxExpenseBenefitRTPAdjustmentsRelatedToPriorYears" xlink:href="cls-20221231.xsd#cls_IncomeTaxExpenseBenefitRTPAdjustmentsRelatedToPriorYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxExpenseBenefitRTPAdjustmentsRelatedToPriorYears" xlink:to="lab_cls_IncomeTaxExpenseBenefitRTPAdjustmentsRelatedToPriorYears" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CCSSegmentCustomerMember_d4565531-0cfd-4942-9bfc-1a04081e4626_terseLabel_en-US" xlink:label="lab_cls_CCSSegmentCustomerMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CCS Segment Customer</link:label>
    <link:label id="lab_cls_CCSSegmentCustomerMember_label_en-US" xlink:label="lab_cls_CCSSegmentCustomerMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CCS Segment Customer [Member]</link:label>
    <link:label id="lab_cls_CCSSegmentCustomerMember_documentation_en-US" xlink:label="lab_cls_CCSSegmentCustomerMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">CCS Segment Customer [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CCSSegmentCustomerMember" xlink:href="cls-20221231.xsd#cls_CCSSegmentCustomerMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CCSSegmentCustomerMember" xlink:to="lab_cls_CCSSegmentCustomerMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfMajorCustomersLineItems_64d2cb87-1028-46eb-93b7-b21c115afdd6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMajorCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of major customers [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMajorCustomersLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMajorCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of major customers [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMajorCustomersLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfMajorCustomersLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMajorCustomersLineItems" xlink:to="lab_ifrs-full_DisclosureOfMajorCustomersLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SurplusDeficitInPlan_cbba91c2-d688-46bd-95c7-4f18795cd05c_totalLabel_en-US" xlink:label="lab_ifrs-full_SurplusDeficitInPlan" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deficiency of plan assets over accrued benefit obligations</link:label>
    <link:label id="lab_ifrs-full_SurplusDeficitInPlan_label_en-US" xlink:label="lab_ifrs-full_SurplusDeficitInPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Surplus (deficit) in plan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SurplusDeficitInPlan" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SurplusDeficitInPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SurplusDeficitInPlan" xlink:to="lab_ifrs-full_SurplusDeficitInPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_1a6dbf60-3224-4232-b81b-6f4d91957fcc_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of property, plant and equipment [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of property, plant and equipment [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangesMember_9e8f09e9-ce38-40d8-8286-af61599d420e_terseLabel_en-US" xlink:label="lab_ifrs-full_RangesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Ranges</link:label>
    <link:label id="lab_ifrs-full_RangesMember_label_en-US" xlink:label="lab_ifrs-full_RangesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Ranges [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangesMember" xlink:to="lab_ifrs-full_RangesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Equity_aa100b03-c912-40b4-a692-1541f486f326_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity, beginning balance</link:label>
    <link:label id="lab_ifrs-full_Equity_cc9b8f03-938e-401e-8ba1-6a402874f3ee_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity, ending balance</link:label>
    <link:label id="lab_ifrs-full_Equity_label_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Equity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Equity" xlink:to="lab_ifrs-full_Equity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfCashFlowHedgesMember_cdb27afa-0150-46ba-a84b-9bc3fccf4ef0_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfCashFlowHedgesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash flow hedges</link:label>
    <link:label id="lab_ifrs-full_ReserveOfCashFlowHedgesMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfCashFlowHedgesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reserve of cash flow hedges [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfCashFlowHedgesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReserveOfCashFlowHedgesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfCashFlowHedgesMember" xlink:to="lab_ifrs-full_ReserveOfCashFlowHedgesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_UKMainPensionPlanMember_2910ac3f-f2f7-4b89-a730-76d00b3cd85f_terseLabel_en-US" xlink:label="lab_cls_UKMainPensionPlanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">UK Main Pension Plan</link:label>
    <link:label id="lab_cls_UKMainPensionPlanMember_label_en-US" xlink:label="lab_cls_UKMainPensionPlanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">UK Main Pension Plan [Member]</link:label>
    <link:label id="lab_cls_UKMainPensionPlanMember_documentation_en-US" xlink:label="lab_cls_UKMainPensionPlanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">UK Main Pension Plan [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_UKMainPensionPlanMember" xlink:href="cls-20221231.xsd#cls_UKMainPensionPlanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_UKMainPensionPlanMember" xlink:to="lab_cls_UKMainPensionPlanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharebasedCompensationAwardTrancheTwo1Member_a3583899-0104-43f1-acfb-23b40a769d04_terseLabel_en-US" xlink:label="lab_cls_SharebasedCompensationAwardTrancheTwo1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vested in year 2</link:label>
    <link:label id="lab_cls_SharebasedCompensationAwardTrancheTwo1Member_label_en-US" xlink:label="lab_cls_SharebasedCompensationAwardTrancheTwo1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Award, Tranche Two1 [Member]</link:label>
    <link:label id="lab_cls_SharebasedCompensationAwardTrancheTwo1Member_documentation_en-US" xlink:label="lab_cls_SharebasedCompensationAwardTrancheTwo1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Award, Tranche Two1 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharebasedCompensationAwardTrancheTwo1Member" xlink:href="cls-20221231.xsd#cls_SharebasedCompensationAwardTrancheTwo1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharebasedCompensationAwardTrancheTwo1Member" xlink:to="lab_cls_SharebasedCompensationAwardTrancheTwo1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonadjustingEventsMember_8d7d8add-0c8f-4bf3-ac7f-c4172eb933d1_terseLabel_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-adjusting events after reporting period</link:label>
    <link:label id="lab_ifrs-full_NonadjustingEventsMember_label_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-adjusting events after reporting period [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonadjustingEventsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NonadjustingEventsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsMember" xlink:to="lab_ifrs-full_NonadjustingEventsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable_b0167c72-c47b-4a38-8769-000973370261_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of impairment loss and reversal of impairment loss [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of impairment loss and reversal of impairment loss [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfDetailedInformationAboutNoncurrentAssetsExplanatoryTableTextBlock_32f9d158-dc22-4b36-899c-d2f51b54666e_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfDetailedInformationAboutNoncurrentAssetsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Detailed Information About Non-current Assets</link:label>
    <link:label id="lab_cls_DisclosureOfDetailedInformationAboutNoncurrentAssetsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfDetailedInformationAboutNoncurrentAssetsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Detailed Information About Non-current Assets Explanatory [Table Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfDetailedInformationAboutNoncurrentAssetsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfDetailedInformationAboutNoncurrentAssetsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Detailed Information About Non-current Assets Explanatory [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfDetailedInformationAboutNoncurrentAssetsExplanatoryTableTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfDetailedInformationAboutNoncurrentAssetsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfDetailedInformationAboutNoncurrentAssetsExplanatoryTableTextBlock" xlink:to="lab_cls_DisclosureOfDetailedInformationAboutNoncurrentAssetsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_f034b8d7-7854-45df-a9b3-f3c6fe68a19e_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_StatementOfFinancialPositionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TwoThousandTwentyNCIBMember_dc8bd76c-90ac-4147-a381-c9e587aced1e_terseLabel_en-US" xlink:label="lab_cls_TwoThousandTwentyNCIBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2020 NCIB</link:label>
    <link:label id="lab_cls_TwoThousandTwentyNCIBMember_label_en-US" xlink:label="lab_cls_TwoThousandTwentyNCIBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Two Thousand Twenty NCIB [Member]</link:label>
    <link:label id="lab_cls_TwoThousandTwentyNCIBMember_documentation_en-US" xlink:label="lab_cls_TwoThousandTwentyNCIBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Two Thousand Twenty NCIB</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TwoThousandTwentyNCIBMember" xlink:href="cls-20221231.xsd#cls_TwoThousandTwentyNCIBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TwoThousandTwentyNCIBMember" xlink:to="lab_cls_TwoThousandTwentyNCIBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AddressTypeDomain_cc2d0add-6870-48e2-ae92-fee359b50201_terseLabel_en-US" xlink:label="lab_dei_AddressTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Address Type [Domain]</link:label>
    <link:label id="lab_dei_AddressTypeDomain_label_en-US" xlink:label="lab_dei_AddressTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Address Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AddressTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AddressTypeDomain" xlink:to="lab_dei_AddressTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract_13d02668-d585-4f57-a35a-dc83dd2bb1a9_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Shares used in computing per share amounts (in&#160;millions):</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average ordinary shares used in calculating basic and diluted earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:to="lab_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_77ea73fe-d676-45ba-8e17-f31ac322f4ee_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus" xlink:to="lab_dei_DocumentFiscalPeriodFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_MrEamonRyanMember_8da66c8d-a736-4db5-960e-037a49aa882b_terseLabel_en-US" xlink:label="lab_cls_MrEamonRyanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Mr. Eamon Ryan</link:label>
    <link:label id="lab_cls_MrEamonRyanMember_label_en-US" xlink:label="lab_cls_MrEamonRyanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Mr. Eamon Ryan [Member]</link:label>
    <link:label id="lab_cls_MrEamonRyanMember_documentation_en-US" xlink:label="lab_cls_MrEamonRyanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Mr. Eamon Ryan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_MrEamonRyanMember" xlink:href="cls-20221231.xsd#cls_MrEamonRyanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_MrEamonRyanMember" xlink:to="lab_cls_MrEamonRyanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LeasesNotYetCommencedAnnualRentExpense_a2de1c5a-8e8d-4764-9487-8123c281db75_terseLabel_en-US" xlink:label="lab_cls_LeasesNotYetCommencedAnnualRentExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Annual rental amounts on leases not yet commenced</link:label>
    <link:label id="lab_cls_LeasesNotYetCommencedAnnualRentExpense_label_en-US" xlink:label="lab_cls_LeasesNotYetCommencedAnnualRentExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Leases, Not Yet Commenced, Annual Rent Expense</link:label>
    <link:label id="lab_cls_LeasesNotYetCommencedAnnualRentExpense_documentation_en-US" xlink:label="lab_cls_LeasesNotYetCommencedAnnualRentExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Leases, Not Yet Commenced, Annual Rent Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LeasesNotYetCommencedAnnualRentExpense" xlink:href="cls-20221231.xsd#cls_LeasesNotYetCommencedAnnualRentExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LeasesNotYetCommencedAnnualRentExpense" xlink:to="lab_cls_LeasesNotYetCommencedAnnualRentExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_IcfrAuditorAttestationFlag_ed898fb4-3a44-41bd-82cd-f533af5f1788_terseLabel_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
    <link:label id="lab_dei_IcfrAuditorAttestationFlag_label_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_IcfrAuditorAttestationFlag" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_IcfrAuditorAttestationFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_IcfrAuditorAttestationFlag" xlink:to="lab_dei_IcfrAuditorAttestationFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ATSSegmentCustomerMember_5954633d-7bc1-45a4-b503-79aba803336e_terseLabel_en-US" xlink:label="lab_cls_ATSSegmentCustomerMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">ATS Segment Customer</link:label>
    <link:label id="lab_cls_ATSSegmentCustomerMember_label_en-US" xlink:label="lab_cls_ATSSegmentCustomerMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">ATS Segment Customer [Member]</link:label>
    <link:label id="lab_cls_ATSSegmentCustomerMember_documentation_en-US" xlink:label="lab_cls_ATSSegmentCustomerMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">ATS Segment Customer [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ATSSegmentCustomerMember" xlink:href="cls-20221231.xsd#cls_ATSSegmentCustomerMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ATSSegmentCustomerMember" xlink:to="lab_cls_ATSSegmentCustomerMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredFinanceCosts_9b52c1cb-05ed-41fd-90a8-ccd99b8e2d6a_terseLabel_en-US" xlink:label="lab_cls_DeferredFinanceCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred financing costs</link:label>
    <link:label id="lab_cls_DeferredFinanceCosts_label_en-US" xlink:label="lab_cls_DeferredFinanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Finance Costs</link:label>
    <link:label id="lab_cls_DeferredFinanceCosts_documentation_en-US" xlink:label="lab_cls_DeferredFinanceCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Finance Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredFinanceCosts" xlink:href="cls-20221231.xsd#cls_DeferredFinanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredFinanceCosts" xlink:to="lab_cls_DeferredFinanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_country_LA_d9132557-ece8-4c92-bfb0-176330795964_terseLabel_en-US" xlink:label="lab_country_LA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Laos</link:label>
    <link:label id="lab_country_LA_label_en-US" xlink:label="lab_country_LA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">LAOS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_LA" xlink:href="https://xbrl.sec.gov/country/2022/country-2022.xsd#country_LA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_LA" xlink:to="lab_country_LA" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_48e6c6a0-564a-4eac-b01f-cf60bd7327ab_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additions other than through business combinations, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_1c9b02d7-4dab-4873-9d10-b90be7eab4f7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Related Party Transactions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of related party [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_StockIssuedDuringPeriodValueTreasuryStockReissuedSharebasedCompensation_3c462e5e-2146-47e8-b910-d42aba2e3c99_terseLabel_en-US" xlink:label="lab_cls_StockIssuedDuringPeriodValueTreasuryStockReissuedSharebasedCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Value of shares issued upon vesting of RSUs</link:label>
    <link:label id="lab_cls_StockIssuedDuringPeriodValueTreasuryStockReissuedSharebasedCompensation_label_en-US" xlink:label="lab_cls_StockIssuedDuringPeriodValueTreasuryStockReissuedSharebasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Issued During Period, Value, Treasury Stock Reissued, Share-based Compensation</link:label>
    <link:label id="lab_cls_StockIssuedDuringPeriodValueTreasuryStockReissuedSharebasedCompensation_documentation_en-US" xlink:label="lab_cls_StockIssuedDuringPeriodValueTreasuryStockReissuedSharebasedCompensation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Issued During Period, Value, Treasury Stock Reissued, Share-based Compensation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_StockIssuedDuringPeriodValueTreasuryStockReissuedSharebasedCompensation" xlink:href="cls-20221231.xsd#cls_StockIssuedDuringPeriodValueTreasuryStockReissuedSharebasedCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_StockIssuedDuringPeriodValueTreasuryStockReissuedSharebasedCompensation" xlink:to="lab_cls_StockIssuedDuringPeriodValueTreasuryStockReissuedSharebasedCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets and goodwill [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsAndGoodwillAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_EmployeeStockOption1Member_5ce9c008-fbd4-4651-885a-64f9f59b25c3_terseLabel_en-US" xlink:label="lab_cls_EmployeeStockOption1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Options</link:label>
    <link:label id="lab_cls_EmployeeStockOption1Member_label_en-US" xlink:label="lab_cls_EmployeeStockOption1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee Stock Option1 [Member]</link:label>
    <link:label id="lab_cls_EmployeeStockOption1Member_documentation_en-US" xlink:label="lab_cls_EmployeeStockOption1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee Stock Option1 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_EmployeeStockOption1Member" xlink:href="cls-20221231.xsd#cls_EmployeeStockOption1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_EmployeeStockOption1Member" xlink:to="lab_cls_EmployeeStockOption1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_Mr.WilliamA.EtheringtonMember_9766d8a8-6339-4ecb-b86f-8db5936485c6_terseLabel_en-US" xlink:label="lab_cls_Mr.WilliamA.EtheringtonMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Mr. William A. Etherington</link:label>
    <link:label id="lab_cls_Mr.WilliamA.EtheringtonMember_label_en-US" xlink:label="lab_cls_Mr.WilliamA.EtheringtonMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Mr. William A. Etherington [Member]</link:label>
    <link:label id="lab_cls_Mr.WilliamA.EtheringtonMember_documentation_en-US" xlink:label="lab_cls_Mr.WilliamA.EtheringtonMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Mr. William A. Etherington [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_Mr.WilliamA.EtheringtonMember" xlink:href="cls-20221231.xsd#cls_Mr.WilliamA.EtheringtonMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_Mr.WilliamA.EtheringtonMember" xlink:to="lab_cls_Mr.WilliamA.EtheringtonMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ActivityInBorrowingsRollForward_33967139-f943-4cff-add6-cfef6d6cc400_terseLabel_en-US" xlink:label="lab_cls_ActivityInBorrowingsRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Activity In Borrowings [Roll Forward]</link:label>
    <link:label id="lab_cls_ActivityInBorrowingsRollForward_label_en-US" xlink:label="lab_cls_ActivityInBorrowingsRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Activity In Borrowings [Roll Forward]</link:label>
    <link:label id="lab_cls_ActivityInBorrowingsRollForward_documentation_en-US" xlink:label="lab_cls_ActivityInBorrowingsRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Activity In Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ActivityInBorrowingsRollForward" xlink:href="cls-20221231.xsd#cls_ActivityInBorrowingsRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ActivityInBorrowingsRollForward" xlink:to="lab_cls_ActivityInBorrowingsRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate_07efa482-2e9b-4c11-8744-c787bce7167d_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">PP&amp;E</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_18f27907-2941-4e17-9457-07dd6bde0b2e_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameAxis" xlink:to="lab_ifrs-full_BorrowingsByNameAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019_e32d66ca-31d2-4675-bd08-1aa84a364a18_terseLabel_en-US" xlink:label="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercise price of outstanding share options (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019_label_en-US" xlink:label="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Exercise price of outstanding share options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ExercisePriceOfOutstandingShareOptions2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:to="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SharePremium_9a85b77e-0e9a-4b62-8e7e-351cffaeff65_terseLabel_en-US" xlink:label="lab_ifrs-full_SharePremium" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contributed surplus</link:label>
    <link:label id="lab_ifrs-full_SharePremium_label_en-US" xlink:label="lab_ifrs-full_SharePremium" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share premium</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SharePremium" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SharePremium"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SharePremium" xlink:to="lab_ifrs-full_SharePremium" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares_835dc6c0-571a-4494-8dc6-94cdfed4ab93_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Dilutive effect of outstanding awards under SBC plans (in shares)</link:label>
    <link:label id="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares_label_en-US" xlink:label="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Dilutive effect of share options on number of ordinary shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:to="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsCash_db3ff1cb-6015-4205-8f86-9fc86586dd37_terseLabel_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsCash" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of annual fees paid to board of directors in cash (percent)</link:label>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsCash_label_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsCash" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Annual Fees Paid To Board Of Directors, Cash</link:label>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsCash_documentation_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsCash" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Annual Fees Paid To Board Of Directors, Cash</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsCash" xlink:href="cls-20221231.xsd#cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsCash"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsCash" xlink:to="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAnnualFeesPaidToBoardOfDirectorsCash" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_GainsOnSaleOfSurplusEquipmentMember_2f1a4107-183e-4993-9283-0f8d4c2030db_terseLabel_en-US" xlink:label="lab_cls_GainsOnSaleOfSurplusEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gains on sale of surplus equipment</link:label>
    <link:label id="lab_cls_GainsOnSaleOfSurplusEquipmentMember_label_en-US" xlink:label="lab_cls_GainsOnSaleOfSurplusEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gains on sale of surplus equipment [Member]</link:label>
    <link:label id="lab_cls_GainsOnSaleOfSurplusEquipmentMember_documentation_en-US" xlink:label="lab_cls_GainsOnSaleOfSurplusEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gains on sale of surplus equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_GainsOnSaleOfSurplusEquipmentMember" xlink:href="cls-20221231.xsd#cls_GainsOnSaleOfSurplusEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_GainsOnSaleOfSurplusEquipmentMember" xlink:to="lab_cls_GainsOnSaleOfSurplusEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RevolvingLoansMember_1ab87e10-4f07-4c54-8861-0d9b1a4d4e8b_terseLabel_en-US" xlink:label="lab_cls_RevolvingLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Loans</link:label>
    <link:label id="lab_cls_RevolvingLoansMember_label_en-US" xlink:label="lab_cls_RevolvingLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Loans [Member]</link:label>
    <link:label id="lab_cls_RevolvingLoansMember_documentation_en-US" xlink:label="lab_cls_RevolvingLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RevolvingLoansMember" xlink:href="cls-20221231.xsd#cls_RevolvingLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RevolvingLoansMember" xlink:to="lab_cls_RevolvingLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems_fe573412-89a1-4d6a-9994-8a6f916cf393_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of analysis of other comprehensive income by item [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of analysis of other comprehensive income by item [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems" xlink:to="lab_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RevolvingCreditFacilityMember_a14f8f34-d177-4764-a3dc-3d90e050aae3_terseLabel_en-US" xlink:label="lab_cls_RevolvingCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility</link:label>
    <link:label id="lab_cls_RevolvingCreditFacilityMember_label_en-US" xlink:label="lab_cls_RevolvingCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
    <link:label id="lab_cls_RevolvingCreditFacilityMember_documentation_en-US" xlink:label="lab_cls_RevolvingCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RevolvingCreditFacilityMember" xlink:href="cls-20221231.xsd#cls_RevolvingCreditFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RevolvingCreditFacilityMember" xlink:to="lab_cls_RevolvingCreditFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRateSwapContractMember_bb14252a-37b7-4d91-bb8f-c72652540594_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateSwapContractMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest rate swap</link:label>
    <link:label id="lab_ifrs-full_InterestRateSwapContractMember_label_en-US" xlink:label="lab_ifrs-full_InterestRateSwapContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest rate swap contract [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRateSwapContractMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestRateSwapContractMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateSwapContractMember" xlink:to="lab_ifrs-full_InterestRateSwapContractMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BorrowingsAndLeaseLiabilities_3ef40f9d-94aa-48cb-80d1-940e71bee75f_totalLabel_en-US" xlink:label="lab_cls_BorrowingsAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings and lease liabilities</link:label>
    <link:label id="lab_cls_BorrowingsAndLeaseLiabilities_label_en-US" xlink:label="lab_cls_BorrowingsAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings And Lease Liabilities</link:label>
    <link:label id="lab_cls_BorrowingsAndLeaseLiabilities_documentation_en-US" xlink:label="lab_cls_BorrowingsAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings and Lease Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BorrowingsAndLeaseLiabilities" xlink:href="cls-20221231.xsd#cls_BorrowingsAndLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BorrowingsAndLeaseLiabilities" xlink:to="lab_cls_BorrowingsAndLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherProvisions_180e9762-b690-4800-8ab0-cb806c72c7db_periodStartLabel_en-US" xlink:label="lab_ifrs-full_OtherProvisions" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_OtherProvisions_c5cae258-22d6-47db-beee-0b54e6da1381_periodEndLabel_en-US" xlink:label="lab_ifrs-full_OtherProvisions" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_OtherProvisions_label_en-US" xlink:label="lab_ifrs-full_OtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherProvisions" xlink:to="lab_ifrs-full_OtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxRelatingToGainsLossesOnCashFlowHedgesOfOtherComprehensiveIncome_d5692594-8bf8-45a3-94e9-53f520003525_negatedTerseLabel_en-US" xlink:label="lab_cls_IncomeTaxRelatingToGainsLossesOnCashFlowHedgesOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income tax expense (recovery) relating to net loss on cash flow hedges</link:label>
    <link:label id="lab_cls_IncomeTaxRelatingToGainsLossesOnCashFlowHedgesOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_cls_IncomeTaxRelatingToGainsLossesOnCashFlowHedgesOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Relating To Gains (Losses) On Cash Flow Hedges Of Other Comprehensive Income</link:label>
    <link:label id="lab_cls_IncomeTaxRelatingToGainsLossesOnCashFlowHedgesOfOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_cls_IncomeTaxRelatingToGainsLossesOnCashFlowHedgesOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Relating To Gains (Losses) On Cash Flow Hedges Of Other Comprehensive Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxRelatingToGainsLossesOnCashFlowHedgesOfOtherComprehensiveIncome" xlink:href="cls-20221231.xsd#cls_IncomeTaxRelatingToGainsLossesOnCashFlowHedgesOfOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxRelatingToGainsLossesOnCashFlowHedgesOfOtherComprehensiveIncome" xlink:to="lab_cls_IncomeTaxRelatingToGainsLossesOnCashFlowHedgesOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DebtInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage_acae8e7a-6671-46e5-9576-38e1bdf06f9a_terseLabel_en-US" xlink:label="lab_cls_DebtInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt investment funds, allocation percentage</link:label>
    <link:label id="lab_cls_DebtInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage_label_en-US" xlink:label="lab_cls_DebtInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt Instruments, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage</link:label>
    <link:label id="lab_cls_DebtInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage_documentation_en-US" xlink:label="lab_cls_DebtInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt Instruments, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DebtInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:href="cls-20221231.xsd#cls_DebtInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DebtInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:to="lab_cls_DebtInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ImpaktHoldingsLLCImpaktMember_7dfa5a5b-395e-464e-b4e6-90d1f52aad25_terseLabel_en-US" xlink:label="lab_cls_ImpaktHoldingsLLCImpaktMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impakt</link:label>
    <link:label id="lab_cls_ImpaktHoldingsLLCImpaktMember_label_en-US" xlink:label="lab_cls_ImpaktHoldingsLLCImpaktMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impakt Holdings, LLC (Impakt) [Member]</link:label>
    <link:label id="lab_cls_ImpaktHoldingsLLCImpaktMember_documentation_en-US" xlink:label="lab_cls_ImpaktHoldingsLLCImpaktMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impakt Holdings, LLC (Impakt) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ImpaktHoldingsLLCImpaktMember" xlink:href="cls-20221231.xsd#cls_ImpaktHoldingsLLCImpaktMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ImpaktHoldingsLLCImpaktMember" xlink:to="lab_cls_ImpaktHoldingsLLCImpaktMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueOfPlanAssets_c9491001-b43e-4c29-a4c6-5f0f63bf5ef6_terseLabel_en-US" xlink:label="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Insurance annuities</link:label>
    <link:label id="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueOfPlanAssets_label_en-US" xlink:label="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Insurance Annuities, Amount Contributed To Fair Value Of Plan Assets</link:label>
    <link:label id="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueOfPlanAssets_documentation_en-US" xlink:label="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Insurance Annuities, Amount Contributed To Fair Value Of Plan Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_InsuranceAnnuitiesAmountContributedToFairValueOfPlanAssets" xlink:href="cls-20221231.xsd#cls_InsuranceAnnuitiesAmountContributedToFairValueOfPlanAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_InsuranceAnnuitiesAmountContributedToFairValueOfPlanAssets" xlink:to="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueOfPlanAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangeAxis_b7549665-c4e2-4d15-8ca5-c5ca2af04c18_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range [axis]</link:label>
    <link:label id="lab_ifrs-full_RangeAxis_label_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Range [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeAxis" xlink:to="lab_ifrs-full_RangeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets_c80da2f5-a9e9-481d-8d86-209b303c2b02_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity investment funds</link:label>
    <link:label id="lab_ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets_label_en-US" xlink:label="lab_ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity instruments, amount contributed to fair value of plan assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:to="lab_ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ServicesAgreementAutomaticTerminationPeriodRelatedPartyTransactions_d5632f3c-8289-456e-9d27-54ee3d81d1cb_terseLabel_en-US" xlink:label="lab_cls_ServicesAgreementAutomaticTerminationPeriodRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Term of agreement termination</link:label>
    <link:label id="lab_cls_ServicesAgreementAutomaticTerminationPeriodRelatedPartyTransactions_label_en-US" xlink:label="lab_cls_ServicesAgreementAutomaticTerminationPeriodRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Services Agreement, Automatic Termination Period, Related Party Transactions</link:label>
    <link:label id="lab_cls_ServicesAgreementAutomaticTerminationPeriodRelatedPartyTransactions_documentation_en-US" xlink:label="lab_cls_ServicesAgreementAutomaticTerminationPeriodRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Services Agreement, Automatic Termination Period, Related Party Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ServicesAgreementAutomaticTerminationPeriodRelatedPartyTransactions" xlink:href="cls-20221231.xsd#cls_ServicesAgreementAutomaticTerminationPeriodRelatedPartyTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ServicesAgreementAutomaticTerminationPeriodRelatedPartyTransactions" xlink:to="lab_cls_ServicesAgreementAutomaticTerminationPeriodRelatedPartyTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BorrowingsNumberOfPrepayments_7f1850cd-bc93-4975-af47-cbcffacc790c_terseLabel_en-US" xlink:label="lab_cls_BorrowingsNumberOfPrepayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of prepayments</link:label>
    <link:label id="lab_cls_BorrowingsNumberOfPrepayments_label_en-US" xlink:label="lab_cls_BorrowingsNumberOfPrepayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings, Number Of Prepayments</link:label>
    <link:label id="lab_cls_BorrowingsNumberOfPrepayments_documentation_en-US" xlink:label="lab_cls_BorrowingsNumberOfPrepayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings, Number Of Prepayments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BorrowingsNumberOfPrepayments" xlink:href="cls-20221231.xsd#cls_BorrowingsNumberOfPrepayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BorrowingsNumberOfPrepayments" xlink:to="lab_cls_BorrowingsNumberOfPrepayments" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_KarelMember_1a101b6b-488a-4ae2-b603-78c0208edc53_terseLabel_en-US" xlink:label="lab_cls_KarelMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Karel</link:label>
    <link:label id="lab_cls_KarelMember_label_en-US" xlink:label="lab_cls_KarelMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Karel [Member]</link:label>
    <link:label id="lab_cls_KarelMember_documentation_en-US" xlink:label="lab_cls_KarelMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Karel [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_KarelMember" xlink:href="cls-20221231.xsd#cls_KarelMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_KarelMember" xlink:to="lab_cls_KarelMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AmortisationIntangibleAssetsAcquiredThroughBusinessCombinationOtherThanGoodwill_ac448689-7552-4e59-ac15-1e042321e34f_terseLabel_en-US" xlink:label="lab_cls_AmortisationIntangibleAssetsAcquiredThroughBusinessCombinationOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer intangible assets acquired</link:label>
    <link:label id="lab_cls_AmortisationIntangibleAssetsAcquiredThroughBusinessCombinationOtherThanGoodwill_label_en-US" xlink:label="lab_cls_AmortisationIntangibleAssetsAcquiredThroughBusinessCombinationOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amortisation, Intangible Assets Acquired Through Business Combination Other Than Goodwill</link:label>
    <link:label id="lab_cls_AmortisationIntangibleAssetsAcquiredThroughBusinessCombinationOtherThanGoodwill_documentation_en-US" xlink:label="lab_cls_AmortisationIntangibleAssetsAcquiredThroughBusinessCombinationOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amortisation, Intangible Assets Acquired Through Business Combination Other Than Goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AmortisationIntangibleAssetsAcquiredThroughBusinessCombinationOtherThanGoodwill" xlink:href="cls-20221231.xsd#cls_AmortisationIntangibleAssetsAcquiredThroughBusinessCombinationOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AmortisationIntangibleAssetsAcquiredThroughBusinessCombinationOtherThanGoodwill" xlink:to="lab_cls_AmortisationIntangibleAssetsAcquiredThroughBusinessCombinationOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences_90c3fe3d-2836-4ac3-84b5-8e9ce5d50011_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Origination and reversal of temporary differences</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred tax expense (income) relating to origination and reversal of temporary differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory_4292ae2c-dc96-4805-b16c-64511a107cb2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Risks from Financial Instruments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCurrentReportingStatus_df0cc568-85c7-4105-8d56-96c1827817f1_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:label id="lab_dei_EntityCurrentReportingStatus_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCurrentReportingStatus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus" xlink:to="lab_dei_EntityCurrentReportingStatus" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AccrualForRepurchaseOfStockUnderAutomaticSharePurchasePlan_1fb89c29-cf06-48ef-9268-19d54513d0a5_terseLabel_en-US" xlink:label="lab_cls_AccrualForRepurchaseOfStockUnderAutomaticSharePurchasePlan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrual for repurchase of stock under automatic share purchase plan</link:label>
    <link:label id="lab_cls_AccrualForRepurchaseOfStockUnderAutomaticSharePurchasePlan_label_en-US" xlink:label="lab_cls_AccrualForRepurchaseOfStockUnderAutomaticSharePurchasePlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrual For Repurchase Of Stock Under Automatic Share Purchase Plan</link:label>
    <link:label id="lab_cls_AccrualForRepurchaseOfStockUnderAutomaticSharePurchasePlan_documentation_en-US" xlink:label="lab_cls_AccrualForRepurchaseOfStockUnderAutomaticSharePurchasePlan" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrual For Repurchase Of Stock Under Automatic Share Purchase Plan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AccrualForRepurchaseOfStockUnderAutomaticSharePurchasePlan" xlink:href="cls-20221231.xsd#cls_AccrualForRepurchaseOfStockUnderAutomaticSharePurchasePlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AccrualForRepurchaseOfStockUnderAutomaticSharePurchasePlan" xlink:to="lab_cls_AccrualForRepurchaseOfStockUnderAutomaticSharePurchasePlan" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateNumerator_1b7f8139-c6db-43bd-9b57-1c25492221d3_terseLabel_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateNumerator" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Conversion rate, numerator (in shares)</link:label>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateNumerator_label_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateNumerator" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Conversion Rate, Numerator</link:label>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateNumerator_documentation_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateNumerator" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Conversion Rate, Numerator</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateNumerator" xlink:href="cls-20221231.xsd#cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateNumerator"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateNumerator" xlink:to="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRateNumerator" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveThree_243f56a1-c7e6-4345-adc7-abe072a85245_terseLabel_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveThree" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of third tax incentive</link:label>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveThree_label_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveThree" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Incentive, Exemption Percentage, Incentive Three</link:label>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveThree_documentation_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveThree" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Incentive, Exemption Percentage, Incentive Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxIncentiveExemptionPercentageIncentiveThree" xlink:href="cls-20221231.xsd#cls_IncomeTaxIncentiveExemptionPercentageIncentiveThree"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxIncentiveExemptionPercentageIncentiveThree" xlink:to="lab_cls_IncomeTaxIncentiveExemptionPercentageIncentiveThree" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AcquisitionsPriorToImpaktAcquisitionMember_8b4837b4-ee80-497d-8c78-e84550308f27_terseLabel_en-US" xlink:label="lab_cls_AcquisitionsPriorToImpaktAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisitions prior to Impakt acquisition</link:label>
    <link:label id="lab_cls_AcquisitionsPriorToImpaktAcquisitionMember_label_en-US" xlink:label="lab_cls_AcquisitionsPriorToImpaktAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisitions Prior To Impakt Acquisition [Member]</link:label>
    <link:label id="lab_cls_AcquisitionsPriorToImpaktAcquisitionMember_documentation_en-US" xlink:label="lab_cls_AcquisitionsPriorToImpaktAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisitions Prior To Impakt Acquisition [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AcquisitionsPriorToImpaktAcquisitionMember" xlink:href="cls-20221231.xsd#cls_AcquisitionsPriorToImpaktAcquisitionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AcquisitionsPriorToImpaktAcquisitionMember" xlink:to="lab_cls_AcquisitionsPriorToImpaktAcquisitionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod_6d1a157f-cba7-4719-8662-c93d5a1fd6b8_terseLabel_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vesting period</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod_label_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period</link:label>
    <link:label id="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod_documentation_en-US" xlink:label="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod" xlink:href="cls-20221231.xsd#cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod" xlink:to="lab_cls_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_CNY_1f165753-9120-478c-9eea-421482c6759b_terseLabel_en-US" xlink:label="lab_currency_CNY" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Chinese renminbi</link:label>
    <link:label id="lab_currency_CNY_label_en-US" xlink:label="lab_currency_CNY" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">China, Yuan Renminbi</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_CNY" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_CNY"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_CNY" xlink:to="lab_currency_CNY" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock_760c7112-7426-4628-b3cd-a9f9de92f48e_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial Gains and Losses, Net of Tax, Recognized in OCI and Reclassified</link:label>
    <link:label id="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Defined Benefit Plan Expense Recognized In Other Comprehensive Income Explanatory [Table Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Defined Benefit Plan Expense Recognized In Other Comprehensive Income Explanatory [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:to="lab_cls_DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ShareBasedCompensationByShareBasedPaymentAwardPerformancePeriod_dd256361-346b-4171-888c-55d9f736eff4_terseLabel_en-US" xlink:label="lab_cls_ShareBasedCompensationByShareBasedPaymentAwardPerformancePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Performance period</link:label>
    <link:label id="lab_cls_ShareBasedCompensationByShareBasedPaymentAwardPerformancePeriod_label_en-US" xlink:label="lab_cls_ShareBasedCompensationByShareBasedPaymentAwardPerformancePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation By Share-Based Payment Award, Performance Period</link:label>
    <link:label id="lab_cls_ShareBasedCompensationByShareBasedPaymentAwardPerformancePeriod_documentation_en-US" xlink:label="lab_cls_ShareBasedCompensationByShareBasedPaymentAwardPerformancePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation By Share-Based Payment Award, Performance Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ShareBasedCompensationByShareBasedPaymentAwardPerformancePeriod" xlink:href="cls-20221231.xsd#cls_ShareBasedCompensationByShareBasedPaymentAwardPerformancePeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ShareBasedCompensationByShareBasedPaymentAwardPerformancePeriod" xlink:to="lab_cls_ShareBasedCompensationByShareBasedPaymentAwardPerformancePeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_478af543-b282-48c9-a46f-1ec1e91460f9_terseLabel_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Level 3</link:label>
    <link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Level 3 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Level3OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilities_235bb619-fc13-4ce8-9d2d-677ea547344e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities:</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilities" xlink:to="lab_ifrs-full_FinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxHolidayPercentage_ae675897-4659-4ab0-9d7c-e27f9d9b3279_terseLabel_en-US" xlink:label="lab_cls_IncomeTaxHolidayPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of tax exemption</link:label>
    <link:label id="lab_cls_IncomeTaxHolidayPercentage_label_en-US" xlink:label="lab_cls_IncomeTaxHolidayPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Holiday, Percentage</link:label>
    <link:label id="lab_cls_IncomeTaxHolidayPercentage_documentation_en-US" xlink:label="lab_cls_IncomeTaxHolidayPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Holiday, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxHolidayPercentage" xlink:href="cls-20221231.xsd#cls_IncomeTaxHolidayPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxHolidayPercentage" xlink:to="lab_cls_IncomeTaxHolidayPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ReversalOfExpenseFromShareBasedPaymentTransactionsWithEmployees_60348c3c-0522-46f9-804b-9c66fdc27bf8_negatedTerseLabel_en-US" xlink:label="lab_cls_ReversalOfExpenseFromShareBasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expense reversal to reflect reduction in estimated PSUs expected to vest</link:label>
    <link:label id="lab_cls_ReversalOfExpenseFromShareBasedPaymentTransactionsWithEmployees_label_en-US" xlink:label="lab_cls_ReversalOfExpenseFromShareBasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reversal Of Expense From Share Based Payment Transactions With Employees</link:label>
    <link:label id="lab_cls_ReversalOfExpenseFromShareBasedPaymentTransactionsWithEmployees_documentation_en-US" xlink:label="lab_cls_ReversalOfExpenseFromShareBasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reversal Of Expense From Share Based Payment Transactions With Employees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ReversalOfExpenseFromShareBasedPaymentTransactionsWithEmployees" xlink:href="cls-20221231.xsd#cls_ReversalOfExpenseFromShareBasedPaymentTransactionsWithEmployees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ReversalOfExpenseFromShareBasedPaymentTransactionsWithEmployees" xlink:to="lab_cls_ReversalOfExpenseFromShareBasedPaymentTransactionsWithEmployees" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_5bbec91b-d1bc-480a-a6b3-5aea1543f6ec_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings from operations</link:label>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_d74c397e-6c56-4608-be05-f358e63abdf1_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment income</link:label>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Profit (loss) from operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossFromOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:to="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges_f23951a0-73e1-4ed9-a080-b5aecf857469_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Changes from derivatives designated as hedges</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges_2aea2150-6a2b-4009-ae88-2b1e4c0d75c5_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Changes from derivatives hedges</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other comprehensive income, net of tax, cash flow hedges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory_795f4e9c-8485-43bb-967e-f7d7f3a370d9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Details of the Purchase Price Allocation by Year of Acquisition</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about business combination [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PaymentOfDebtIssuanceCosts_e73b5fef-de6e-4f34-94c2-0ada49c38b1e_terseLabel_en-US" xlink:label="lab_cls_PaymentOfDebtIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payment of debt issuance costs</link:label>
    <link:label id="lab_cls_PaymentOfDebtIssuanceCosts_label_en-US" xlink:label="lab_cls_PaymentOfDebtIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payment Of Debt Issuance Costs</link:label>
    <link:label id="lab_cls_PaymentOfDebtIssuanceCosts_documentation_en-US" xlink:label="lab_cls_PaymentOfDebtIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payment Of Debt Issuance Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PaymentOfDebtIssuanceCosts" xlink:href="cls-20221231.xsd#cls_PaymentOfDebtIssuanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PaymentOfDebtIssuanceCosts" xlink:to="lab_cls_PaymentOfDebtIssuanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain_a33bb0d7-a853-4f5e-bd6d-1d0c6bd31144_terseLabel_en-US" xlink:label="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of Individual [Domain]</link:label>
    <link:label id="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain_label_en-US" xlink:label="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of Individual [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForStockbasedPlans_6f8632f4-3086-47fa-bddc-35329b789064_negatedTerseLabel_en-US" xlink:label="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForStockbasedPlans" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase of treasury stock for stock-based plans</link:label>
    <link:label id="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForStockbasedPlans_label_en-US" xlink:label="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForStockbasedPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments To Acquire Or Redeem Entity's Shares For Stock-based Plans</link:label>
    <link:label id="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForStockbasedPlans_documentation_en-US" xlink:label="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForStockbasedPlans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments To Acquire Or Redeem Entity's Shares For Stock-based Plans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PaymentsToAcquireOrRedeemEntitysSharesForStockbasedPlans" xlink:href="cls-20221231.xsd#cls_PaymentsToAcquireOrRedeemEntitysSharesForStockbasedPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PaymentsToAcquireOrRedeemEntitysSharesForStockbasedPlans" xlink:to="lab_cls_PaymentsToAcquireOrRedeemEntitysSharesForStockbasedPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ShareRepurchaseProgram1Domain_7faab0a3-4470-4fc2-9b11-e80afb71ce59_terseLabel_en-US" xlink:label="lab_cls_ShareRepurchaseProgram1Domain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share Repurchase Program [Domain]</link:label>
    <link:label id="lab_cls_ShareRepurchaseProgram1Domain_label_en-US" xlink:label="lab_cls_ShareRepurchaseProgram1Domain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share Repurchase Program1 [Domain]</link:label>
    <link:label id="lab_cls_ShareRepurchaseProgram1Domain_documentation_en-US" xlink:label="lab_cls_ShareRepurchaseProgram1Domain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Domain] for Share Repurchase Program1 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ShareRepurchaseProgram1Domain" xlink:href="cls-20221231.xsd#cls_ShareRepurchaseProgram1Domain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ShareRepurchaseProgram1Domain" xlink:to="lab_cls_ShareRepurchaseProgram1Domain" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ConcentrationRiskByType1Axis_59ca2a6f-6fde-4776-9d59-a9f7a75791ca_terseLabel_en-US" xlink:label="lab_cls_ConcentrationRiskByType1Axis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk By Type1 [Axis]</link:label>
    <link:label id="lab_cls_ConcentrationRiskByType1Axis_label_en-US" xlink:label="lab_cls_ConcentrationRiskByType1Axis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk By Type1 [Axis]</link:label>
    <link:label id="lab_cls_ConcentrationRiskByType1Axis_documentation_en-US" xlink:label="lab_cls_ConcentrationRiskByType1Axis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk By Type1 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ConcentrationRiskByType1Axis" xlink:href="cls-20221231.xsd#cls_ConcentrationRiskByType1Axis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ConcentrationRiskByType1Axis" xlink:to="lab_cls_ConcentrationRiskByType1Axis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems_e4b533bc-5279-4e35-afe2-f36beacb77fe_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of geographical areas [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of geographical areas [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfGeographicalAreasLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LandMember_56167c74-15be-4baf-a547-fcb51ccfc6c3_terseLabel_en-US" xlink:label="lab_ifrs-full_LandMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Land</link:label>
    <link:label id="lab_ifrs-full_LandMember_label_en-US" xlink:label="lab_ifrs-full_LandMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Land [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LandMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LandMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LandMember" xlink:to="lab_ifrs-full_LandMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed_05bc8091-d3d8-4e5f-ae56-2db87eef49ae_totalLabel_en-US" xlink:label="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Identifiable net assets acquired</link:label>
    <link:label id="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed_label_en-US" xlink:label="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Identifiable assets acquired (liabilities assumed)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:to="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_9ef4247c-3df1-4842-822c-47e25a32afdc_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair value gain/(loss)</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gains (losses) on change in fair value of derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:to="lab_ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_f535eb95-6903-40cf-987f-47f74dd89597_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment and Geographic Information</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of entity's operating segments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnUnrealizedLoss_e033a1a7-4631-4cc3-8592-084c4d5052ff_negatedTerseLabel_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnUnrealizedLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reasonably possible change in risk variable, impact on unrealized gain</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnUnrealizedLoss_label_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnUnrealizedLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Unrealized Loss</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnUnrealizedLoss_documentation_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnUnrealizedLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Unrealized Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnUnrealizedLoss" xlink:href="cls-20221231.xsd#cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnUnrealizedLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnUnrealizedLoss" xlink:to="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnUnrealizedLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ServicesAgreementRenewalTermRelatedPartyTransactions_72a93334-053d-463e-880a-dbc57f3ac061_terseLabel_en-US" xlink:label="lab_cls_ServicesAgreementRenewalTermRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Renewal term of Service Agreement</link:label>
    <link:label id="lab_cls_ServicesAgreementRenewalTermRelatedPartyTransactions_label_en-US" xlink:label="lab_cls_ServicesAgreementRenewalTermRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Services Agreement, Renewal Term, Related Party Transactions</link:label>
    <link:label id="lab_cls_ServicesAgreementRenewalTermRelatedPartyTransactions_documentation_en-US" xlink:label="lab_cls_ServicesAgreementRenewalTermRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Services Agreement, Renewal Term, Related Party Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ServicesAgreementRenewalTermRelatedPartyTransactions" xlink:href="cls-20221231.xsd#cls_ServicesAgreementRenewalTermRelatedPartyTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ServicesAgreementRenewalTermRelatedPartyTransactions" xlink:to="lab_cls_ServicesAgreementRenewalTermRelatedPartyTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityMember_71af8109-aa7e-4fdc-b142-0f05aefa575a_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_EquityMember_label_en-US" xlink:label="lab_ifrs-full_EquityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityMember" xlink:to="lab_ifrs-full_EquityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_47dd3e3d-6a14-48ba-ad45-e5dc7f9d1364_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Finance Costs</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of finance income (cost) [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionsAxis_8dcb4c33-8270-4b01-bd2b-ce733bb4a210_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial assumptions [axis]</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionsAxis_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial assumptions [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ActuarialAssumptionsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionsAxis" xlink:to="lab_ifrs-full_ActuarialAssumptionsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NumberOfSites_8bf39064-a706-4caa-9604-55bb2cc2bf30_terseLabel_en-US" xlink:label="lab_cls_NumberOfSites" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of sites</link:label>
    <link:label id="lab_cls_NumberOfSites_label_en-US" xlink:label="lab_cls_NumberOfSites" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Sites</link:label>
    <link:label id="lab_cls_NumberOfSites_documentation_en-US" xlink:label="lab_cls_NumberOfSites" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Sites</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NumberOfSites" xlink:href="cls-20221231.xsd#cls_NumberOfSites"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NumberOfSites" xlink:to="lab_cls_NumberOfSites" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_e1e8c32a-c738-4c7e-9484-7cacf135333e_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts receivable</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments for decrease (increase) in trade accounts receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CommunicationsMember_a51d858f-a2fc-4e33-a00f-d016e0d598ed_terseLabel_en-US" xlink:label="lab_cls_CommunicationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Communications</link:label>
    <link:label id="lab_cls_CommunicationsMember_label_en-US" xlink:label="lab_cls_CommunicationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Communications [Member]</link:label>
    <link:label id="lab_cls_CommunicationsMember_documentation_en-US" xlink:label="lab_cls_CommunicationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Communications</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CommunicationsMember" xlink:href="cls-20221231.xsd#cls_CommunicationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CommunicationsMember" xlink:to="lab_cls_CommunicationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxHolidayInitialPercentage_77472c88-3696-4526-90fd-4ce814230829_terseLabel_en-US" xlink:label="lab_cls_IncomeTaxHolidayInitialPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Initial percentage of tax exemption (percent)</link:label>
    <link:label id="lab_cls_IncomeTaxHolidayInitialPercentage_label_en-US" xlink:label="lab_cls_IncomeTaxHolidayInitialPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Holiday, Initial Percentage</link:label>
    <link:label id="lab_cls_IncomeTaxHolidayInitialPercentage_documentation_en-US" xlink:label="lab_cls_IncomeTaxHolidayInitialPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Holiday, Initial Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxHolidayInitialPercentage" xlink:href="cls-20221231.xsd#cls_IncomeTaxHolidayInitialPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxHolidayInitialPercentage" xlink:to="lab_cls_IncomeTaxHolidayInitialPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentDerivativeFinancialAssets_6cf7b0fc-e632-42a6-bcd3-dd92ba041266_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest rate swap derivative</link:label>
    <link:label id="lab_ifrs-full_NoncurrentDerivativeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-current derivative financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentDerivativeFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:to="lab_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AtrenneIntegratedSolutionsInc.AtrenneMember_a36464ff-4d7b-4ff2-ba7d-43e8669935d0_terseLabel_en-US" xlink:label="lab_cls_AtrenneIntegratedSolutionsInc.AtrenneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Atrenne</link:label>
    <link:label id="lab_cls_AtrenneIntegratedSolutionsInc.AtrenneMember_label_en-US" xlink:label="lab_cls_AtrenneIntegratedSolutionsInc.AtrenneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Atrenne Integrated Solutions, Inc. (Atrenne) [Member]</link:label>
    <link:label id="lab_cls_AtrenneIntegratedSolutionsInc.AtrenneMember_documentation_en-US" xlink:label="lab_cls_AtrenneIntegratedSolutionsInc.AtrenneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Atrenne Integrated Solutions, Inc. (Atrenne) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AtrenneIntegratedSolutionsInc.AtrenneMember" xlink:href="cls-20221231.xsd#cls_AtrenneIntegratedSolutionsInc.AtrenneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AtrenneIntegratedSolutionsInc.AtrenneMember" xlink:to="lab_cls_AtrenneIntegratedSolutionsInc.AtrenneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_6ac65049-5d06-4af1-acf8-44b8a0094a00_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_UnhedgedItemsLiabilities_48faea1d-b0e9-42dd-8b95-60676a1e814d_terseLabel_en-US" xlink:label="lab_cls_UnhedgedItemsLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unhedged borrowings</link:label>
    <link:label id="lab_cls_UnhedgedItemsLiabilities_label_en-US" xlink:label="lab_cls_UnhedgedItemsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unhedged Items, Liabilities</link:label>
    <link:label id="lab_cls_UnhedgedItemsLiabilities_documentation_en-US" xlink:label="lab_cls_UnhedgedItemsLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unhedged Items, Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_UnhedgedItemsLiabilities" xlink:href="cls-20221231.xsd#cls_UnhedgedItemsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_UnhedgedItemsLiabilities" xlink:to="lab_cls_UnhedgedItemsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WarrantyProvisionMember_dfad743c-da3e-4a0c-9d68-8af3227d8b19_terseLabel_en-US" xlink:label="lab_ifrs-full_WarrantyProvisionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Warranty</link:label>
    <link:label id="lab_ifrs-full_WarrantyProvisionMember_label_en-US" xlink:label="lab_ifrs-full_WarrantyProvisionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Warranty provision [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WarrantyProvisionMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WarrantyProvisionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WarrantyProvisionMember" xlink:to="lab_ifrs-full_WarrantyProvisionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_b21a9e29-5356-4282-a228-cc6c5e43115a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Detailed Information About Capital Transactions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of classes of share capital [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities_9b61c919-1b3e-43ca-87e2-518b6d615aca_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other inflows (outflows) of cash, classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansAxis_4caaaa35-7e5d-4a83-a0e6-843cc204d874_terseLabel_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined benefit plans [axis]</link:label>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansAxis_label_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined benefit plans [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DefinedBenefitPlansAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DefinedBenefitPlansAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DefinedBenefitPlansAxis" xlink:to="lab_ifrs-full_DefinedBenefitPlansAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationExpense_ec1d4322-0117-43e7-8562-0a3d7e67eb80_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Depreciation expense</link:label>
    <link:label id="lab_ifrs-full_DepreciationExpense_label_en-US" xlink:label="lab_ifrs-full_DepreciationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Depreciation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepreciationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationExpense" xlink:to="lab_ifrs-full_DepreciationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OtherFinancialAssetsMember_4ae263bc-2203-4234-97c9-ebbe155c2094_terseLabel_en-US" xlink:label="lab_cls_OtherFinancialAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other financial assets</link:label>
    <link:label id="lab_cls_OtherFinancialAssetsMember_label_en-US" xlink:label="lab_cls_OtherFinancialAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Financial Assets [Member]</link:label>
    <link:label id="lab_cls_OtherFinancialAssetsMember_documentation_en-US" xlink:label="lab_cls_OtherFinancialAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Financial Assets [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OtherFinancialAssetsMember" xlink:href="cls-20221231.xsd#cls_OtherFinancialAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OtherFinancialAssetsMember" xlink:to="lab_cls_OtherFinancialAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_country_MY_4de24850-0d8f-4f93-824b-4c953b51fbf4_terseLabel_en-US" xlink:label="lab_country_MY" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Malaysia</link:label>
    <link:label id="lab_country_MY_label_en-US" xlink:label="lab_country_MY" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">MALAYSIA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_MY" xlink:href="https://xbrl.sec.gov/country/2022/country-2022.xsd#country_MY"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_MY" xlink:to="lab_country_MY" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnNetEarnings_db955634-d6fd-4a22-ad7b-9bcf52d93596_terseLabel_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnNetEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reasonably possible increase in risk variable, impact on net earnings</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnNetEarnings_label_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnNetEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Increase In Risk Variable, Impact On Net Earnings</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnNetEarnings_documentation_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnNetEarnings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Increase In Risk Variable, Impact On Net Earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnNetEarnings" xlink:href="cls-20221231.xsd#cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnNetEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnNetEarnings" xlink:to="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnNetEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComputerSoftwareMember_d1214cdc-ffab-4743-80bc-1b7cc3c65209_terseLabel_en-US" xlink:label="lab_ifrs-full_ComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Computer software assets</link:label>
    <link:label id="lab_ifrs-full_ComputerSoftwareMember_label_en-US" xlink:label="lab_ifrs-full_ComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Computer software [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComputerSoftwareMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComputerSoftwareMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComputerSoftwareMember" xlink:to="lab_ifrs-full_ComputerSoftwareMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityPriceRiskMember_5adb2dd0-ed19-46b9-84ac-dcbb1934ebfe_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity price risk</link:label>
    <link:label id="lab_ifrs-full_EquityPriceRiskMember_label_en-US" xlink:label="lab_ifrs-full_EquityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity price risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityPriceRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityPriceRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityPriceRiskMember" xlink:to="lab_ifrs-full_EquityPriceRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsAbstract_a6458c31-9810-4fe4-baa2-177430d77794_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings [abstract]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsAbstract_label_en-US" xlink:label="lab_ifrs-full_BorrowingsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsAbstract" xlink:to="lab_ifrs-full_BorrowingsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksMember_a3c88ba9-1177-4861-a201-8f920ca41420_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Risks</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksMember_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Risks [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfRisksMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksMember" xlink:to="lab_ifrs-full_TypesOfRisksMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotionalAmount_506cd5fd-bb9e-4cc7-bf89-5c71ef437441_verboseLabel_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Notional amounts under interest rate swaps (note 20)</link:label>
    <link:label id="lab_ifrs-full_NotionalAmount_eba7c85d-cd66-4044-b231-6f16b2fccb50_terseLabel_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contract amount in U.S. Dollars</link:label>
    <link:label id="lab_ifrs-full_NotionalAmount_label_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Notional amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotionalAmount" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotionalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotionalAmount" xlink:to="lab_ifrs-full_NotionalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset_a1b49b93-f311-4187-b332-a65a9b44d2cc_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current service cost</link:label>
    <link:label id="lab_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase in net defined benefit liability (asset) resulting from current service cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PreTaxDiscountRateAppliedToCashFlowProjections_485e0498-e8f0-4c6e-8062-9de3fadf943c_terseLabel_en-US" xlink:label="lab_cls_PreTaxDiscountRateAppliedToCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pre-tax discount rate (percentage)</link:label>
    <link:label id="lab_cls_PreTaxDiscountRateAppliedToCashFlowProjections_label_en-US" xlink:label="lab_cls_PreTaxDiscountRateAppliedToCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pre-Tax Discount Rate Applied To Cash Flow Projections</link:label>
    <link:label id="lab_cls_PreTaxDiscountRateAppliedToCashFlowProjections_documentation_en-US" xlink:label="lab_cls_PreTaxDiscountRateAppliedToCashFlowProjections" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pre-Tax Discount Rate Applied To Cash Flow Projections</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PreTaxDiscountRateAppliedToCashFlowProjections" xlink:href="cls-20221231.xsd#cls_PreTaxDiscountRateAppliedToCashFlowProjections"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PreTaxDiscountRateAppliedToCashFlowProjections" xlink:to="lab_cls_PreTaxDiscountRateAppliedToCashFlowProjections" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CreditFacilityPrepaymentMember_14ab5c42-7c2b-432c-afd4-8a4d41929d93_terseLabel_en-US" xlink:label="lab_cls_CreditFacilityPrepaymentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit facility prepayment</link:label>
    <link:label id="lab_cls_CreditFacilityPrepaymentMember_label_en-US" xlink:label="lab_cls_CreditFacilityPrepaymentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility Prepayment [Member]</link:label>
    <link:label id="lab_cls_CreditFacilityPrepaymentMember_documentation_en-US" xlink:label="lab_cls_CreditFacilityPrepaymentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility Prepayment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CreditFacilityPrepaymentMember" xlink:href="cls-20221231.xsd#cls_CreditFacilityPrepaymentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CreditFacilityPrepaymentMember" xlink:to="lab_cls_CreditFacilityPrepaymentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract_409567b3-1517-44ee-9503-1b743d26da08_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation of changes in intangible assets and goodwill [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation of changes in intangible assets and goodwill [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedGainPercent_f1520575-1302-4ce9-bbcb-3029af38a32e_terseLabel_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedGainPercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reasonable possible change in risk variable, decrease in unrealized loss, basis points</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedGainPercent_label_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedGainPercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable For Unrealized Gain, Percent</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedGainPercent_documentation_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedGainPercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable For Unrealized Gain, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedGainPercent" xlink:href="cls-20221231.xsd#cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedGainPercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedGainPercent" xlink:to="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableForUnrealizedGainPercent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_1ac0e966-1bcc-4653-8fb1-836cb67a5f22_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EntitysTotalForCashgeneratingUnitsMember_1f55019a-5b8e-456c-9799-7b36196b740c_terseLabel_en-US" xlink:label="lab_ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity's total for cash-generating units</link:label>
    <link:label id="lab_ifrs-full_EntitysTotalForCashgeneratingUnitsMember_label_en-US" xlink:label="lab_ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity's total for cash-generating units [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForCashgeneratingUnitsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:to="lab_ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_755fae26-bf54-490f-ab68-b423d7a59a6c_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average remaining life of outstanding options</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average remaining contractual life of outstanding share options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:to="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_InitialSwapsMember_24973227-246b-47d0-8814-963d60874ff9_terseLabel_en-US" xlink:label="lab_cls_InitialSwapsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Initial Swaps</link:label>
    <link:label id="lab_cls_InitialSwapsMember_label_en-US" xlink:label="lab_cls_InitialSwapsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Initial Swaps [Member]</link:label>
    <link:label id="lab_cls_InitialSwapsMember_documentation_en-US" xlink:label="lab_cls_InitialSwapsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Initial Swaps</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_InitialSwapsMember" xlink:href="cls-20221231.xsd#cls_InitialSwapsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_InitialSwapsMember" xlink:to="lab_cls_InitialSwapsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PCICGUMember_dec63f9d-a07a-4634-84bb-fd757e00b766_terseLabel_en-US" xlink:label="lab_cls_PCICGUMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">PCI CGU</link:label>
    <link:label id="lab_cls_PCICGUMember_label_en-US" xlink:label="lab_cls_PCICGUMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">PCI CGU [Member]</link:label>
    <link:label id="lab_cls_PCICGUMember_documentation_en-US" xlink:label="lab_cls_PCICGUMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">PCI CGU</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PCICGUMember" xlink:href="cls-20221231.xsd#cls_PCICGUMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PCICGUMember" xlink:to="lab_cls_PCICGUMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SaleOfReceivablesUnderSupplierFinancingProgramMember_057d3097-8193-4095-b2bc-59587f51b4cb_terseLabel_en-US" xlink:label="lab_cls_SaleOfReceivablesUnderSupplierFinancingProgramMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Factoring of receivables from supplier financing program</link:label>
    <link:label id="lab_cls_SaleOfReceivablesUnderSupplierFinancingProgramMember_label_en-US" xlink:label="lab_cls_SaleOfReceivablesUnderSupplierFinancingProgramMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sale Of Receivables Under Supplier Financing Program [Member]</link:label>
    <link:label id="lab_cls_SaleOfReceivablesUnderSupplierFinancingProgramMember_documentation_en-US" xlink:label="lab_cls_SaleOfReceivablesUnderSupplierFinancingProgramMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sale Of Receivables Under Supplier Financing Program [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SaleOfReceivablesUnderSupplierFinancingProgramMember" xlink:href="cls-20221231.xsd#cls_SaleOfReceivablesUnderSupplierFinancingProgramMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SaleOfReceivablesUnderSupplierFinancingProgramMember" xlink:to="lab_cls_SaleOfReceivablesUnderSupplierFinancingProgramMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_2b4ec30b-2cfe-4bcc-8c94-56543030986f_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_StockRepurchasedAndRetiredDuringPeriodShares1_31463a7f-6bf6-4e58-8093-549dc2e3db5e_terseLabel_en-US" xlink:label="lab_cls_StockRepurchasedAndRetiredDuringPeriodShares1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of SVS repurchased for cancellation (in millions) (in shares)</link:label>
    <link:label id="lab_cls_StockRepurchasedAndRetiredDuringPeriodShares1_528298dd-7d9a-4c09-a6f9-292894581da2_negatedTerseLabel_en-US" xlink:label="lab_cls_StockRepurchasedAndRetiredDuringPeriodShares1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cancelled under NCIB (in shares)</link:label>
    <link:label id="lab_cls_StockRepurchasedAndRetiredDuringPeriodShares1_label_en-US" xlink:label="lab_cls_StockRepurchasedAndRetiredDuringPeriodShares1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Repurchased And Retired During Period, Shares1</link:label>
    <link:label id="lab_cls_StockRepurchasedAndRetiredDuringPeriodShares1_documentation_en-US" xlink:label="lab_cls_StockRepurchasedAndRetiredDuringPeriodShares1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Repurchased and Retired During Period, Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_StockRepurchasedAndRetiredDuringPeriodShares1" xlink:href="cls-20221231.xsd#cls_StockRepurchasedAndRetiredDuringPeriodShares1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_StockRepurchasedAndRetiredDuringPeriodShares1" xlink:to="lab_cls_StockRepurchasedAndRetiredDuringPeriodShares1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_d13fb240-3e72-4f96-9b60-c6c8772fbe45_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings Under the Revolving Facility and Term Loan and Lease Obligations</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of detailed information about borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossProfit_1996a76f-b408-4bbc-9b1a-f6e13fdcd4d2_totalLabel_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gross profit</link:label>
    <link:label id="lab_ifrs-full_GrossProfit_label_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gross profit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossProfit" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GrossProfit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossProfit" xlink:to="lab_ifrs-full_GrossProfit" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorLocation_e10027d6-3de0-45f4-af68-fde0d429d22b_terseLabel_en-US" xlink:label="lab_dei_AuditorLocation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Auditor Location</link:label>
    <link:label id="lab_dei_AuditorLocation_label_en-US" xlink:label="lab_dei_AuditorLocation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Auditor Location</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorLocation" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AuditorLocation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorLocation" xlink:to="lab_dei_AuditorLocation" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveTwo_b9aa1acd-09aa-4014-a2c1-537d4e97a976_terseLabel_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Term of second tax incentive</link:label>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveTwo_label_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Incentive, Exemption Term, Incentive Two</link:label>
    <link:label id="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveTwo_documentation_en-US" xlink:label="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveTwo" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Incentive, Exemption Term, Incentive Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxIncentiveExemptionTermIncentiveTwo" xlink:href="cls-20221231.xsd#cls_IncomeTaxIncentiveExemptionTermIncentiveTwo"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxIncentiveExemptionTermIncentiveTwo" xlink:to="lab_cls_IncomeTaxIncentiveExemptionTermIncentiveTwo" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OperatingSegmentsAbstract_cfe53d5b-4eb2-4659-a0c5-f46a4c311fd8_terseLabel_en-US" xlink:label="lab_cls_OperatingSegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating Segments [Abstract]</link:label>
    <link:label id="lab_cls_OperatingSegmentsAbstract_label_en-US" xlink:label="lab_cls_OperatingSegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating Segments [Abstract]</link:label>
    <link:label id="lab_cls_OperatingSegmentsAbstract_documentation_en-US" xlink:label="lab_cls_OperatingSegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating Segments [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OperatingSegmentsAbstract" xlink:href="cls-20221231.xsd#cls_OperatingSegmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OperatingSegmentsAbstract" xlink:to="lab_cls_OperatingSegmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFilerCategory_4d5f380e-2ef3-4c36-997d-33ee95c4304b_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Filer Category</link:label>
    <link:label id="lab_dei_EntityFilerCategory_label_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Filer Category</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFilerCategory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory" xlink:to="lab_dei_EntityFilerCategory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AcquisitionCostsAndOtherAdjustments_b2f82af2-7a11-4619-b9f7-7990f89293d3_terseLabel_en-US" xlink:label="lab_cls_AcquisitionCostsAndOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisition Costs (Recoveries) and Other</link:label>
    <link:label id="lab_cls_AcquisitionCostsAndOtherAdjustments_label_en-US" xlink:label="lab_cls_AcquisitionCostsAndOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisition Costs and Other Adjustments</link:label>
    <link:label id="lab_cls_AcquisitionCostsAndOtherAdjustments_documentation_en-US" xlink:label="lab_cls_AcquisitionCostsAndOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisition Costs and Other Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AcquisitionCostsAndOtherAdjustments" xlink:href="cls-20221231.xsd#cls_AcquisitionCostsAndOtherAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AcquisitionCostsAndOtherAdjustments" xlink:to="lab_cls_AcquisitionCostsAndOtherAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_country_US_bc79b98f-097c-4190-a82b-5e771f75fad0_terseLabel_en-US" xlink:label="lab_country_US" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">United States</link:label>
    <link:label id="lab_country_US_label_en-US" xlink:label="lab_country_US" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">UNITED STATES</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_US" xlink:href="https://xbrl.sec.gov/country/2022/country-2022.xsd#country_US"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_US" xlink:to="lab_country_US" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgingInstrumentsMember_c4dd9939-1c47-4b7b-afb1-499cb85570b9_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedging instruments</link:label>
    <link:label id="lab_ifrs-full_HedgingInstrumentsMember_label_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedging instruments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgingInstrumentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_HedgingInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgingInstrumentsMember" xlink:to="lab_ifrs-full_HedgingInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TradePayablesAccruedLiabilitiesOtherLiabilitiesAndProvisionsMember_b4827b60-b306-40e8-afd9-cd771b22d128_terseLabel_en-US" xlink:label="lab_cls_TradePayablesAccruedLiabilitiesOtherLiabilitiesAndProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">A/P and certain accrued and other liabilities and provisions</link:label>
    <link:label id="lab_cls_TradePayablesAccruedLiabilitiesOtherLiabilitiesAndProvisionsMember_label_en-US" xlink:label="lab_cls_TradePayablesAccruedLiabilitiesOtherLiabilitiesAndProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trade Payables, Accrued Liabilities, Other Liabilities And Provisions [Member]</link:label>
    <link:label id="lab_cls_TradePayablesAccruedLiabilitiesOtherLiabilitiesAndProvisionsMember_documentation_en-US" xlink:label="lab_cls_TradePayablesAccruedLiabilitiesOtherLiabilitiesAndProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trade Payables, Accrued Liabilities, Other Liabilities And Provisions [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TradePayablesAccruedLiabilitiesOtherLiabilitiesAndProvisionsMember" xlink:href="cls-20221231.xsd#cls_TradePayablesAccruedLiabilitiesOtherLiabilitiesAndProvisionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TradePayablesAccruedLiabilitiesOtherLiabilitiesAndProvisionsMember" xlink:to="lab_cls_TradePayablesAccruedLiabilitiesOtherLiabilitiesAndProvisionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TwoThousandTwentyOneSBCASPPMember_145e0cc3-3caf-49a1-b86b-e276c8bb0351_terseLabel_en-US" xlink:label="lab_cls_TwoThousandTwentyOneSBCASPPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2021 SBC ASPP</link:label>
    <link:label id="lab_cls_TwoThousandTwentyOneSBCASPPMember_label_en-US" xlink:label="lab_cls_TwoThousandTwentyOneSBCASPPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Two Thousand Twenty One SBC ASPP [Member]</link:label>
    <link:label id="lab_cls_TwoThousandTwentyOneSBCASPPMember_documentation_en-US" xlink:label="lab_cls_TwoThousandTwentyOneSBCASPPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Two Thousand Twenty One SBC ASPP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TwoThousandTwentyOneSBCASPPMember" xlink:href="cls-20221231.xsd#cls_TwoThousandTwentyOneSBCASPPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TwoThousandTwentyOneSBCASPPMember" xlink:to="lab_cls_TwoThousandTwentyOneSBCASPPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsOnLitigationSettlements_6cac5035-43f7-4e32-b6c7-8781ff469d1b_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsOnLitigationSettlements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gains on litigation settlements</link:label>
    <link:label id="lab_ifrs-full_GainsOnLitigationSettlements_label_en-US" xlink:label="lab_ifrs-full_GainsOnLitigationSettlements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gains on litigation settlements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsOnLitigationSettlements" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GainsOnLitigationSettlements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsOnLitigationSettlements" xlink:to="lab_ifrs-full_GainsOnLitigationSettlements" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CreditFacilityMember_99098cb1-b1a3-4ab8-bd72-d23488254843_verboseLabel_en-US" xlink:label="lab_cls_CreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility</link:label>
    <link:label id="lab_cls_CreditFacilityMember_543bed3a-4189-494b-b2b9-aea28c7cb214_terseLabel_en-US" xlink:label="lab_cls_CreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility</link:label>
    <link:label id="lab_cls_CreditFacilityMember_label_en-US" xlink:label="lab_cls_CreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility [Member]</link:label>
    <link:label id="lab_cls_CreditFacilityMember_documentation_en-US" xlink:label="lab_cls_CreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CreditFacilityMember" xlink:href="cls-20221231.xsd#cls_CreditFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CreditFacilityMember" xlink:to="lab_cls_CreditFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_StockRepurchaseProgramNumberofSharesAuthorizedToBeRepurchased1_852b61f3-495b-4e1a-bba2-896a44f8791e_terseLabel_en-US" xlink:label="lab_cls_StockRepurchaseProgramNumberofSharesAuthorizedToBeRepurchased1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of shares authorized to be repurchased (in shares)</link:label>
    <link:label id="lab_cls_StockRepurchaseProgramNumberofSharesAuthorizedToBeRepurchased1_label_en-US" xlink:label="lab_cls_StockRepurchaseProgramNumberofSharesAuthorizedToBeRepurchased1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Repurchase Program, Number of Shares Authorized To Be Repurchased1</link:label>
    <link:label id="lab_cls_StockRepurchaseProgramNumberofSharesAuthorizedToBeRepurchased1_documentation_en-US" xlink:label="lab_cls_StockRepurchaseProgramNumberofSharesAuthorizedToBeRepurchased1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Repurchase Program, Number of Shares Authorized to be Repurchased1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_StockRepurchaseProgramNumberofSharesAuthorizedToBeRepurchased1" xlink:href="cls-20221231.xsd#cls_StockRepurchaseProgramNumberofSharesAuthorizedToBeRepurchased1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_StockRepurchaseProgramNumberofSharesAuthorizedToBeRepurchased1" xlink:to="lab_cls_StockRepurchaseProgramNumberofSharesAuthorizedToBeRepurchased1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAbstract_abdad5f5-798e-4140-b5ec-47a7a5168575_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_ifrs-full_AssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAbstract" xlink:to="lab_ifrs-full_AssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInGoodwill_5d7dc025-cd16-4b98-9876-44e66bc6360f_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInGoodwill" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) in goodwill</link:label>
    <link:label id="lab_ifrs-full_ChangesInGoodwill_dea836e7-cf01-464b-b50c-846fd9f78159_terseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisitions through business combinations</link:label>
    <link:label id="lab_ifrs-full_ChangesInGoodwill_label_en-US" xlink:label="lab_ifrs-full_ChangesInGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) in goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ChangesInGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInGoodwill" xlink:to="lab_ifrs-full_ChangesInGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfDetailedInformationAboutOtherExpenseExplanatoryTableTextBlock_363f0b08-ed7a-48db-b7d1-fe06e2a13619_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfDetailedInformationAboutOtherExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Detailed Information about Other Operating Expense</link:label>
    <link:label id="lab_cls_DisclosureOfDetailedInformationAboutOtherExpenseExplanatoryTableTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfDetailedInformationAboutOtherExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Detailed Information About Other Expense Explanatory [Table Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfDetailedInformationAboutOtherExpenseExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfDetailedInformationAboutOtherExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Detailed Information About Other Expense Explanatory [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfDetailedInformationAboutOtherExpenseExplanatoryTableTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfDetailedInformationAboutOtherExpenseExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfDetailedInformationAboutOtherExpenseExplanatoryTableTextBlock" xlink:to="lab_cls_DisclosureOfDetailedInformationAboutOtherExpenseExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_SecurityExchangeName_21aff6a5-5e85-4da4-9969-01d84a6d269b_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Security Exchange Name</link:label>
    <link:label id="lab_dei_SecurityExchangeName_label_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Security Exchange Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SecurityExchangeName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName" xlink:to="lab_dei_SecurityExchangeName" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable_352be4e4-6253-42d6-a4b7-0ed82998bce7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" xlink:to="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NumberOfSupplierFinancingPrograms_db924462-34d4-49b4-a18f-14eef68bb856_terseLabel_en-US" xlink:label="lab_cls_NumberOfSupplierFinancingPrograms" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of supplier financing programs</link:label>
    <link:label id="lab_cls_NumberOfSupplierFinancingPrograms_label_en-US" xlink:label="lab_cls_NumberOfSupplierFinancingPrograms" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Supplier Financing Programs</link:label>
    <link:label id="lab_cls_NumberOfSupplierFinancingPrograms_documentation_en-US" xlink:label="lab_cls_NumberOfSupplierFinancingPrograms" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of Supplier Financing Programs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NumberOfSupplierFinancingPrograms" xlink:href="cls-20221231.xsd#cls_NumberOfSupplierFinancingPrograms"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NumberOfSupplierFinancingPrograms" xlink:to="lab_cls_NumberOfSupplierFinancingPrograms" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PaymentOfFinancingCostsAndWaiverFees_c8413582-00b6-467a-b3a8-70e57724d5bc_negatedTerseLabel_en-US" xlink:label="lab_cls_PaymentOfFinancingCostsAndWaiverFees" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Finance costs paid</link:label>
    <link:label id="lab_cls_PaymentOfFinancingCostsAndWaiverFees_label_en-US" xlink:label="lab_cls_PaymentOfFinancingCostsAndWaiverFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payment Of Financing Costs And Waiver Fees</link:label>
    <link:label id="lab_cls_PaymentOfFinancingCostsAndWaiverFees_documentation_en-US" xlink:label="lab_cls_PaymentOfFinancingCostsAndWaiverFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payment Of Financing Costs And Waiver Fees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PaymentOfFinancingCostsAndWaiverFees" xlink:href="cls-20221231.xsd#cls_PaymentOfFinancingCostsAndWaiverFees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PaymentOfFinancingCostsAndWaiverFees" xlink:to="lab_cls_PaymentOfFinancingCostsAndWaiverFees" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AdditionsToRightOfUseAssetsThroughBusinessCombination_54ec7770-9b8a-4cb0-b953-3437591a9cbb_terseLabel_en-US" xlink:label="lab_cls_AdditionsToRightOfUseAssetsThroughBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additions through business combination (note 3)</link:label>
    <link:label id="lab_cls_AdditionsToRightOfUseAssetsThroughBusinessCombination_label_en-US" xlink:label="lab_cls_AdditionsToRightOfUseAssetsThroughBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additions To Right-of-Use Assets Through Business Combination</link:label>
    <link:label id="lab_cls_AdditionsToRightOfUseAssetsThroughBusinessCombination_documentation_en-US" xlink:label="lab_cls_AdditionsToRightOfUseAssetsThroughBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additions To Right-of-Use Assets Through Business Combination</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AdditionsToRightOfUseAssetsThroughBusinessCombination" xlink:href="cls-20221231.xsd#cls_AdditionsToRightOfUseAssetsThroughBusinessCombination"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AdditionsToRightOfUseAssetsThroughBusinessCombination" xlink:to="lab_cls_AdditionsToRightOfUseAssetsThroughBusinessCombination" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_37194eb0-4037-40a1-9fb2-dbb2ac9156d3_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial assets and financial liabilities</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceCosts_df6751c2-06ee-4a5f-92cf-12187f65d55d_terseLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Finance costs</link:label>
    <link:label id="lab_ifrs-full_FinanceCosts_label_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Finance costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceCosts" xlink:to="lab_ifrs-full_FinanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_BasicRentExpenseTermOne_ab01e347-a0e4-4771-ab19-f3a500b8e647_terseLabel_en-US" xlink:label="lab_cls_BasicRentExpenseTermOne" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Initial basic rent expense, term (in years)</link:label>
    <link:label id="lab_cls_BasicRentExpenseTermOne_label_en-US" xlink:label="lab_cls_BasicRentExpenseTermOne" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basic Rent Expense, Term One</link:label>
    <link:label id="lab_cls_BasicRentExpenseTermOne_documentation_en-US" xlink:label="lab_cls_BasicRentExpenseTermOne" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basic Rent Expense, Term One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_BasicRentExpenseTermOne" xlink:href="cls-20221231.xsd#cls_BasicRentExpenseTermOne"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_BasicRentExpenseTermOne" xlink:to="lab_cls_BasicRentExpenseTermOne" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TaxExpenseIncomeRelatingToCurrentAndFutureWithholdingTaxesOnUndistributedForeignEarnings_99e1beaf-f034-43e3-89f5-f78cd5cc66a7_terseLabel_en-US" xlink:label="lab_cls_TaxExpenseIncomeRelatingToCurrentAndFutureWithholdingTaxesOnUndistributedForeignEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax expenses relating to current and future withholding taxes</link:label>
    <link:label id="lab_cls_TaxExpenseIncomeRelatingToCurrentAndFutureWithholdingTaxesOnUndistributedForeignEarnings_label_en-US" xlink:label="lab_cls_TaxExpenseIncomeRelatingToCurrentAndFutureWithholdingTaxesOnUndistributedForeignEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Expense (Income) Relating To Current And Future Withholding Taxes On Undistributed Foreign Earnings</link:label>
    <link:label id="lab_cls_TaxExpenseIncomeRelatingToCurrentAndFutureWithholdingTaxesOnUndistributedForeignEarnings_documentation_en-US" xlink:label="lab_cls_TaxExpenseIncomeRelatingToCurrentAndFutureWithholdingTaxesOnUndistributedForeignEarnings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Expense (Income) Relating To Current And Future Withholding Taxes On Undistributed Foreign Earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TaxExpenseIncomeRelatingToCurrentAndFutureWithholdingTaxesOnUndistributedForeignEarnings" xlink:href="cls-20221231.xsd#cls_TaxExpenseIncomeRelatingToCurrentAndFutureWithholdingTaxesOnUndistributedForeignEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TaxExpenseIncomeRelatingToCurrentAndFutureWithholdingTaxesOnUndistributedForeignEarnings" xlink:to="lab_cls_TaxExpenseIncomeRelatingToCurrentAndFutureWithholdingTaxesOnUndistributedForeignEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_country_TH_3753df49-c422-4712-8472-cd01532ad9fa_terseLabel_en-US" xlink:label="lab_country_TH" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Thailand</link:label>
    <link:label id="lab_country_TH_label_en-US" xlink:label="lab_country_TH" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">THAILAND</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_TH" xlink:href="https://xbrl.sec.gov/country/2022/country-2022.xsd#country_TH"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_TH" xlink:to="lab_country_TH" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LineOfCreditsAndSuretyBondsOutsideTheRevolverMember_7102b360-0070-4fc5-a9bf-8a840e845560_terseLabel_en-US" xlink:label="lab_cls_LineOfCreditsAndSuretyBondsOutsideTheRevolverMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding L/Cs and surety bonds outside the Revolver</link:label>
    <link:label id="lab_cls_LineOfCreditsAndSuretyBondsOutsideTheRevolverMember_label_en-US" xlink:label="lab_cls_LineOfCreditsAndSuretyBondsOutsideTheRevolverMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line Of Credits And Surety Bonds Outside The Revolver [Member]</link:label>
    <link:label id="lab_cls_LineOfCreditsAndSuretyBondsOutsideTheRevolverMember_documentation_en-US" xlink:label="lab_cls_LineOfCreditsAndSuretyBondsOutsideTheRevolverMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line Of Credits And Surety Bonds Outside The Revolver</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LineOfCreditsAndSuretyBondsOutsideTheRevolverMember" xlink:href="cls-20221231.xsd#cls_LineOfCreditsAndSuretyBondsOutsideTheRevolverMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LineOfCreditsAndSuretyBondsOutsideTheRevolverMember" xlink:to="lab_cls_LineOfCreditsAndSuretyBondsOutsideTheRevolverMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DocumentAndEntityInformationAbstract_f047b5a5-6781-495b-9a05-61bf154984ce_terseLabel_en-US" xlink:label="lab_cls_DocumentAndEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document And Entity Information [Abstract]</link:label>
    <link:label id="lab_cls_DocumentAndEntityInformationAbstract_label_en-US" xlink:label="lab_cls_DocumentAndEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document And Entity Information [Abstract]</link:label>
    <link:label id="lab_cls_DocumentAndEntityInformationAbstract_documentation_en-US" xlink:label="lab_cls_DocumentAndEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document and Entity Information [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DocumentAndEntityInformationAbstract" xlink:href="cls-20221231.xsd#cls_DocumentAndEntityInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DocumentAndEntityInformationAbstract" xlink:to="lab_cls_DocumentAndEntityInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember_9af2f6b4-8549-4f70-a0b4-17c7ab6372aa_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory_6b0ffa50-6cfa-4968-88a2-a1f676243b6a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Summary of Financial Position of Pension and Other Benefit Plans</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfDerecognitionOfFinancialAssetsTextBlock_ab0a7325-8111-471a-a939-1c6d65163ae8_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfDerecognitionOfFinancialAssetsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable</link:label>
    <link:label id="lab_cls_DisclosureOfDerecognitionOfFinancialAssetsTextBlock_label_en-US" xlink:label="lab_cls_DisclosureOfDerecognitionOfFinancialAssetsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Derecognition Of Financial Assets [Text Block]</link:label>
    <link:label id="lab_cls_DisclosureOfDerecognitionOfFinancialAssetsTextBlock_documentation_en-US" xlink:label="lab_cls_DisclosureOfDerecognitionOfFinancialAssetsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Derecognition Of Financial Assets [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfDerecognitionOfFinancialAssetsTextBlock" xlink:href="cls-20221231.xsd#cls_DisclosureOfDerecognitionOfFinancialAssetsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfDerecognitionOfFinancialAssetsTextBlock" xlink:to="lab_cls_DisclosureOfDerecognitionOfFinancialAssetsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_StockRepurchaseProgramWeightedAveragePricePerShare_ad229821-c6b1-491b-9087-fdabb1992ab7_terseLabel_en-US" xlink:label="lab_cls_StockRepurchaseProgramWeightedAveragePricePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average price per share</link:label>
    <link:label id="lab_cls_StockRepurchaseProgramWeightedAveragePricePerShare_label_en-US" xlink:label="lab_cls_StockRepurchaseProgramWeightedAveragePricePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Repurchase Program, Weighted Average Price Per Share</link:label>
    <link:label id="lab_cls_StockRepurchaseProgramWeightedAveragePricePerShare_documentation_en-US" xlink:label="lab_cls_StockRepurchaseProgramWeightedAveragePricePerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Repurchase Program, Weighted Average Price Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_StockRepurchaseProgramWeightedAveragePricePerShare" xlink:href="cls-20221231.xsd#cls_StockRepurchaseProgramWeightedAveragePricePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_StockRepurchaseProgramWeightedAveragePricePerShare" xlink:to="lab_cls_StockRepurchaseProgramWeightedAveragePricePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_Vesting1Axis_7abac467-a7c5-412a-943a-9e7833e1d838_terseLabel_en-US" xlink:label="lab_cls_Vesting1Axis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vesting1 [Axis]</link:label>
    <link:label id="lab_cls_Vesting1Axis_label_en-US" xlink:label="lab_cls_Vesting1Axis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vesting1 [Axis]</link:label>
    <link:label id="lab_cls_Vesting1Axis_documentation_en-US" xlink:label="lab_cls_Vesting1Axis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vesting1 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_Vesting1Axis" xlink:href="cls-20221231.xsd#cls_Vesting1Axis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_Vesting1Axis" xlink:to="lab_cls_Vesting1Axis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityVoluntaryFilers_de4c514b-1516-4245-b7b3-4175fe5b7df8_terseLabel_en-US" xlink:label="lab_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:label id="lab_dei_EntityVoluntaryFilers_label_en-US" xlink:label="lab_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityVoluntaryFilers" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityVoluntaryFilers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers" xlink:to="lab_dei_EntityVoluntaryFilers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PreferenceSharesMember_e3a0c6c7-4f67-45d5-bfea-82fa8eb8b7ec_verboseLabel_en-US" xlink:label="lab_ifrs-full_PreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Preference Shares</link:label>
    <link:label id="lab_ifrs-full_PreferenceSharesMember_d36d025a-3653-41f3-aef8-aa881e76adb9_terseLabel_en-US" xlink:label="lab_ifrs-full_PreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Preferred shares</link:label>
    <link:label id="lab_ifrs-full_PreferenceSharesMember_label_en-US" xlink:label="lab_ifrs-full_PreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Preference shares [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PreferenceSharesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PreferenceSharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PreferenceSharesMember" xlink:to="lab_ifrs-full_PreferenceSharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollForward_fb9a38b3-65ef-42d2-bf1f-1f922af12a37_terseLabel_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted-Average Exercise Price [Roll Forward]</link:label>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollForward_label_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted-Average Exercise Price [Roll Forward]</link:label>
    <link:label id="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollForward_documentation_en-US" xlink:label="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted-Average Exercise Price [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollForward" xlink:href="cls-20221231.xsd#cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollForward" xlink:to="lab_cls_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill_26ecd218-8411-4f32-abfd-47b8f6ab8ed9_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisitions through business combinations</link:label>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Acquisitions through business combinations, intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ScenarioForecastMember_19259186-2198-4778-ab59-c67b0137110f_terseLabel_en-US" xlink:label="lab_srt_ScenarioForecastMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Forecast</link:label>
    <link:label id="lab_srt_ScenarioForecastMember_label_en-US" xlink:label="lab_srt_ScenarioForecastMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Forecast [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioForecastMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScenarioForecastMember" xlink:to="lab_srt_ScenarioForecastMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_cefed99f-0d04-4f5b-af28-b6abaa51c943_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of intangible assets other than goodwill [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of intangible assets other than goodwill [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_67820947-6358-49ca-a4cf-7b32789ebb9f_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue and deferred investment costs</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for recognition of revenue [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory_f43db452-9257-41d9-9b47-6d23ec4312a7_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impairment of goodwill, intangible assets, PP&amp;E, and ROU assets</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for impairment of non-financial assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_country_SG_bb7837b6-4136-4a92-85a8-9d7d0ae1c4e1_terseLabel_en-US" xlink:label="lab_country_SG" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Singapore</link:label>
    <link:label id="lab_country_SG_label_en-US" xlink:label="lab_country_SG" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">SINGAPORE</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_SG" xlink:href="https://xbrl.sec.gov/country/2022/country-2022.xsd#country_SG"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_SG" xlink:to="lab_country_SG" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PercentageOfEntitiesPropertyPlantAndEquipment_2c59019c-e2ae-4b0b-9d2e-16fc53118835_terseLabel_en-US" xlink:label="lab_cls_PercentageOfEntitiesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment, among countries that exceeded 10% (as a percentage of total)</link:label>
    <link:label id="lab_cls_PercentageOfEntitiesPropertyPlantAndEquipment_label_en-US" xlink:label="lab_cls_PercentageOfEntitiesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage Of Entities Property, Plant And Equipment</link:label>
    <link:label id="lab_cls_PercentageOfEntitiesPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_cls_PercentageOfEntitiesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage Of Entities Property, Plant And Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PercentageOfEntitiesPropertyPlantAndEquipment" xlink:href="cls-20221231.xsd#cls_PercentageOfEntitiesPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PercentageOfEntitiesPropertyPlantAndEquipment" xlink:to="lab_cls_PercentageOfEntitiesPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContingentLiabilitiesMember_4f250c1e-a680-4ea5-8fd2-76f040823a3d_terseLabel_en-US" xlink:label="lab_ifrs-full_ContingentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contingent liabilities</link:label>
    <link:label id="lab_ifrs-full_ContingentLiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_ContingentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contingent liabilities [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContingentLiabilitiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ContingentLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContingentLiabilitiesMember" xlink:to="lab_ifrs-full_ContingentLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Borrowings_2a47c0dc-899f-4332-b20a-d9e354ee7803_terseLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_ifrs-full_Borrowings_ccceb2b6-33e7-48df-a904-ea4257ccaf26_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding balances, beginning of period</link:label>
    <link:label id="lab_ifrs-full_Borrowings_a949909e-4d9f-4c88-972f-db5b3833c1f3_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding borrowings, end of period</link:label>
    <link:label id="lab_ifrs-full_Borrowings_adf68e6e-0907-42b9-8096-9c893d27e326_negatedLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding borrowings</link:label>
    <link:label id="lab_ifrs-full_Borrowings_label_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Borrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Borrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Borrowings" xlink:to="lab_ifrs-full_Borrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepositsFromCustomers_cb491f92-c49f-4d8d-8e77-fc1af04502f3_terseLabel_en-US" xlink:label="lab_ifrs-full_DepositsFromCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deposits from customers</link:label>
    <link:label id="lab_ifrs-full_DepositsFromCustomers_label_en-US" xlink:label="lab_ifrs-full_DepositsFromCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deposits from customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepositsFromCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepositsFromCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepositsFromCustomers" xlink:to="lab_ifrs-full_DepositsFromCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_GainOnSaleOfAssetsHeldForSaleMember_6e74d52b-000d-4faf-a0fa-c43dccaea9b8_terseLabel_en-US" xlink:label="lab_cls_GainOnSaleOfAssetsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gain On Sale Of Assets Held-For-Sale</link:label>
    <link:label id="lab_cls_GainOnSaleOfAssetsHeldForSaleMember_label_en-US" xlink:label="lab_cls_GainOnSaleOfAssetsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gain On Sale Of Assets Held-For-Sale [Member]</link:label>
    <link:label id="lab_cls_GainOnSaleOfAssetsHeldForSaleMember_documentation_en-US" xlink:label="lab_cls_GainOnSaleOfAssetsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gain On Sale Of Assets Held-For-Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_GainOnSaleOfAssetsHeldForSaleMember" xlink:href="cls-20221231.xsd#cls_GainOnSaleOfAssetsHeldForSaleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_GainOnSaleOfAssetsHeldForSaleMember" xlink:to="lab_cls_GainOnSaleOfAssetsHeldForSaleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharebasedCompensationAwardTrancheOne1Member_9790d825-c68d-4507-99be-5dade29c82a2_terseLabel_en-US" xlink:label="lab_cls_SharebasedCompensationAwardTrancheOne1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vested in year 1</link:label>
    <link:label id="lab_cls_SharebasedCompensationAwardTrancheOne1Member_label_en-US" xlink:label="lab_cls_SharebasedCompensationAwardTrancheOne1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Award, Tranche One1 [Member]</link:label>
    <link:label id="lab_cls_SharebasedCompensationAwardTrancheOne1Member_documentation_en-US" xlink:label="lab_cls_SharebasedCompensationAwardTrancheOne1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Award, Tranche One1 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharebasedCompensationAwardTrancheOne1Member" xlink:href="cls-20221231.xsd#cls_SharebasedCompensationAwardTrancheOne1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharebasedCompensationAwardTrancheOne1Member" xlink:to="lab_cls_SharebasedCompensationAwardTrancheOne1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxesAbstract_ba7ad826-c82a-4d40-b2b5-fdd26a914250_terseLabel_en-US" xlink:label="lab_cls_IncomeTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Taxes [Abstract]</link:label>
    <link:label id="lab_cls_IncomeTaxesAbstract_label_en-US" xlink:label="lab_cls_IncomeTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Taxes [Abstract]</link:label>
    <link:label id="lab_cls_IncomeTaxesAbstract_documentation_en-US" xlink:label="lab_cls_IncomeTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Taxes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxesAbstract" xlink:href="cls-20221231.xsd#cls_IncomeTaxesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxesAbstract" xlink:to="lab_cls_IncomeTaxesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_5495a81a-0e85-404b-b81f-33a0d086b829_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfProvisionsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:to="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapital_badc9401-8f65-4505-9e23-939925f9ce89_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital stock</link:label>
    <link:label id="lab_ifrs-full_IssuedCapital_label_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Issued capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IssuedCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapital" xlink:to="lab_ifrs-full_IssuedCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_c629d1ae-568e-4cda-849e-404c711bf662_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Information by Reportable Segment</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of operating segments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOperatingSegmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_CostOfSales1Member_752dbe8e-c579-442e-b5ce-911c87407ef6_terseLabel_en-US" xlink:label="lab_cls_CostOfSales1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee SBC expense in cost of sales</link:label>
    <link:label id="lab_cls_CostOfSales1Member_label_en-US" xlink:label="lab_cls_CostOfSales1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cost Of Sales1 [Member]</link:label>
    <link:label id="lab_cls_CostOfSales1Member_documentation_en-US" xlink:label="lab_cls_CostOfSales1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cost of Sales [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_CostOfSales1Member" xlink:href="cls-20221231.xsd#cls_CostOfSales1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_CostOfSales1Member" xlink:to="lab_cls_CostOfSales1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LegalProceedingsProvisionMember_9b427d50-fff7-45ad-abc5-5a1d7ece52d7_terseLabel_en-US" xlink:label="lab_ifrs-full_LegalProceedingsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Legal</link:label>
    <link:label id="lab_ifrs-full_LegalProceedingsProvisionMember_label_en-US" xlink:label="lab_ifrs-full_LegalProceedingsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Legal proceedings provision [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LegalProceedingsProvisionMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LegalProceedingsProvisionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LegalProceedingsProvisionMember" xlink:to="lab_ifrs-full_LegalProceedingsProvisionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_01fe0d6b-ce33-49dc-9b7e-d53036af4b76_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComponentsOfEquityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="lab_ifrs-full_ComponentsOfEquityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WorkInProgress_84860297-71ac-46e8-b37c-237646823a2e_terseLabel_en-US" xlink:label="lab_ifrs-full_WorkInProgress" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Work in progress</link:label>
    <link:label id="lab_ifrs-full_WorkInProgress_label_en-US" xlink:label="lab_ifrs-full_WorkInProgress" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current work in progress</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WorkInProgress" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WorkInProgress"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WorkInProgress" xlink:to="lab_ifrs-full_WorkInProgress" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarningsMember_452146ee-ff91-40e8-95a3-e5c6369991a2_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deficit</link:label>
    <link:label id="lab_ifrs-full_RetainedEarningsMember_label_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retained earnings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarningsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RetainedEarningsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarningsMember" xlink:to="lab_ifrs-full_RetainedEarningsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_ContactPersonnelName_0ad96190-b8af-483d-93bd-84cc4ccfaada_terseLabel_en-US" xlink:label="lab_dei_ContactPersonnelName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contact Personnel Name</link:label>
    <link:label id="lab_dei_ContactPersonnelName_label_en-US" xlink:label="lab_dei_ContactPersonnelName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contact Personnel Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_ContactPersonnelName" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_ContactPersonnelName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_ContactPersonnelName" xlink:to="lab_dei_ContactPersonnelName" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionsMember_7fcba1f6-355d-44d9-ab84-d643dce1e9e6_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial assumptions</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionsMember_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Actuarial assumptions [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ActuarialAssumptionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionsMember" xlink:to="lab_ifrs-full_ActuarialAssumptionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAndLiabilitiesAbstract_4380dd98-d3ff-49f5-9a1f-1a6db4b7f122_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities and Equity</link:label>
    <link:label id="lab_ifrs-full_EquityAndLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity and liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAndLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityAndLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAndLiabilitiesAbstract" xlink:to="lab_ifrs-full_EquityAndLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentProvisions_fd963a59-d555-486d-be13-45aae1468025_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentProvisions_label_en-US" xlink:label="lab_ifrs-full_NoncurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-current provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentProvisions" xlink:to="lab_ifrs-full_NoncurrentProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory_2365a739-41cb-4905-818c-b54d40686410_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Functional and presentation currency</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for functional currency [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_cd12ad09-0e0b-49b5-ba69-9bfb165d4f9e_terseLabel_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-adjusting events after reporting period [axis]</link:label>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_label_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-adjusting events after reporting period [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTradeReceivables_7c0eb2e5-ec3b-4225-8884-5b4a29f32f9b_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTradeReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts receivable</link:label>
    <link:label id="lab_ifrs-full_CurrentTradeReceivables_label_en-US" xlink:label="lab_ifrs-full_CurrentTradeReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current trade receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTradeReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTradeReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTradeReceivables" xlink:to="lab_ifrs-full_CurrentTradeReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems_d3af8dda-0bf6-4dac-9ff6-94795d153dc7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of reconciliation of changes in goodwill [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of reconciliation of changes in goodwill [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermOfAgreementExtensions_3d19433b-939b-4f93-b0c5-7dcec24395f2_terseLabel_en-US" xlink:label="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermOfAgreementExtensions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Extension term</link:label>
    <link:label id="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermOfAgreementExtensions_label_en-US" xlink:label="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermOfAgreementExtensions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transfer Of Financial Assets Accounted For As Sales, Term Of Agreement Extensions</link:label>
    <link:label id="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermOfAgreementExtensions_documentation_en-US" xlink:label="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermOfAgreementExtensions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transfer Of Financial Assets Accounted For As Sales, Term Of Agreement Extensions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TransferOfFinancialAssetsAccountedForAsSalesTermOfAgreementExtensions" xlink:href="cls-20221231.xsd#cls_TransferOfFinancialAssetsAccountedForAsSalesTermOfAgreementExtensions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TransferOfFinancialAssetsAccountedForAsSalesTermOfAgreementExtensions" xlink:to="lab_cls_TransferOfFinancialAssetsAccountedForAsSalesTermOfAgreementExtensions" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AdjustmentsForIncreaseDecreaseInTradeAccountsPayableAccruedAndOtherCurrentLiabilitiesAndProvisions_973ff97e-bcd0-454c-981c-b33c82361fec_terseLabel_en-US" xlink:label="lab_cls_AdjustmentsForIncreaseDecreaseInTradeAccountsPayableAccruedAndOtherCurrentLiabilitiesAndProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts payable, accrued and other current liabilities and provisions</link:label>
    <link:label id="lab_cls_AdjustmentsForIncreaseDecreaseInTradeAccountsPayableAccruedAndOtherCurrentLiabilitiesAndProvisions_label_en-US" xlink:label="lab_cls_AdjustmentsForIncreaseDecreaseInTradeAccountsPayableAccruedAndOtherCurrentLiabilitiesAndProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments For Increase (Decrease) In Trade Accounts Payable, Accrued And Other Current Liabilities And Provisions</link:label>
    <link:label id="lab_cls_AdjustmentsForIncreaseDecreaseInTradeAccountsPayableAccruedAndOtherCurrentLiabilitiesAndProvisions_documentation_en-US" xlink:label="lab_cls_AdjustmentsForIncreaseDecreaseInTradeAccountsPayableAccruedAndOtherCurrentLiabilitiesAndProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments For Increase (Decrease) In Trade Accounts Payable, Accrued And Other Current Liabilities And Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AdjustmentsForIncreaseDecreaseInTradeAccountsPayableAccruedAndOtherCurrentLiabilitiesAndProvisions" xlink:href="cls-20221231.xsd#cls_AdjustmentsForIncreaseDecreaseInTradeAccountsPayableAccruedAndOtherCurrentLiabilitiesAndProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AdjustmentsForIncreaseDecreaseInTradeAccountsPayableAccruedAndOtherCurrentLiabilitiesAndProvisions" xlink:to="lab_cls_AdjustmentsForIncreaseDecreaseInTradeAccountsPayableAccruedAndOtherCurrentLiabilitiesAndProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialAssets_35e09aec-0150-466d-ad79-eca16edbc8da_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest rate swap derivative</link:label>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current derivative financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentDerivativeFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDerivativeFinancialAssets" xlink:to="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_da606120-3af0-40ed-825c-7d755663ee50_terseLabel_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Bottom of range</link:label>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Bottom of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BottomOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BottomOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BottomOfRangeMember" xlink:to="lab_ifrs-full_BottomOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine1_e7fd8f08-d870-42de-bcd3-ecd77038343e_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine1_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine1" xlink:to="lab_dei_EntityAddressAddressLine1" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnOtherComprehensiveIncome_87920b9e-e1b5-499a-9e2f-5bf955359823_terseLabel_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reasonably possible decrease in risk variable, impact on other comprehensive income</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnOtherComprehensiveIncome_label_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Decrease In Risk Variable, Impact On Other Comprehensive Income</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Decrease In Risk Variable, Impact On Other Comprehensive Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnOtherComprehensiveIncome" xlink:href="cls-20221231.xsd#cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnOtherComprehensiveIncome" xlink:to="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnOtherComprehensiveIncome_e3f7dddf-8128-43b9-9f10-32fb7cc12928_terseLabel_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reasonably possible increase in risk variable, impact on other comprehensive income</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnOtherComprehensiveIncome_label_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Increase In Risk Variable, Impact On Other Comprehensive Income</link:label>
    <link:label id="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Increase In Risk Variable, Impact On Other Comprehensive Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnOtherComprehensiveIncome" xlink:href="cls-20221231.xsd#cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnOtherComprehensiveIncome" xlink:to="lab_cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AtrenneCGUMember_78ce4a26-b934-41e9-a091-375ec84917db_terseLabel_en-US" xlink:label="lab_cls_AtrenneCGUMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Atrenne CGU(iii)</link:label>
    <link:label id="lab_cls_AtrenneCGUMember_label_en-US" xlink:label="lab_cls_AtrenneCGUMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Atrenne CGU [Member]</link:label>
    <link:label id="lab_cls_AtrenneCGUMember_documentation_en-US" xlink:label="lab_cls_AtrenneCGUMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Atrenne CGU [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AtrenneCGUMember" xlink:href="cls-20221231.xsd#cls_AtrenneCGUMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AtrenneCGUMember" xlink:to="lab_cls_AtrenneCGUMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_fcb168df-7975-4597-845f-9a44dafb5f70_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other non-current assets</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_ae443fc4-e3db-4691-8152-1d8d7ccdbff9_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other non-current assets</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other non-current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherNoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentAssets" xlink:to="lab_ifrs-full_OtherNoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset_18db8fa9-1d86-4fd0-808d-08d35490c750_negatedLabel_en-US" xlink:label="lab_cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Administrative expenses paid from plan assets</link:label>
    <link:label id="lab_cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset_a3360c15-9689-4d4c-bc6f-b6239a655a81_negatedTerseLabel_en-US" xlink:label="lab_cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan administrative expenses and other</link:label>
    <link:label id="lab_cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Administrative Expenses, Net Defined Benefit Liability (Asset)</link:label>
    <link:label id="lab_cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset_documentation_en-US" xlink:label="lab_cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Administrative Expenses, Net Defined Benefit Liability (Asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset" xlink:href="cls-20221231.xsd#cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset" xlink:to="lab_cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissued1_eb5abd9e-8b26-4b2a-bb07-22855cf72181_terseLabel_en-US" xlink:label="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissued1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Issued from treasury (in shares)</link:label>
    <link:label id="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissued1_label_en-US" xlink:label="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissued1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Issued During Period, Shares, Treasury Stock Reissued1</link:label>
    <link:label id="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissued1_documentation_en-US" xlink:label="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissued1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Issued During Period, Shares, Treasury Stock Reissued1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_StockIssuedDuringPeriodSharesTreasuryStockReissued1" xlink:href="cls-20221231.xsd#cls_StockIssuedDuringPeriodSharesTreasuryStockReissued1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_StockIssuedDuringPeriodSharesTreasuryStockReissued1" xlink:to="lab_cls_StockIssuedDuringPeriodSharesTreasuryStockReissued1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionalProvisionsOtherProvisions_e4ca6699-fe20-47a9-9bc8-b1026b290e0c_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionalProvisionsOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_AdditionalProvisionsOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_AdditionalProvisionsOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional provisions, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionalProvisionsOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdditionalProvisionsOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionalProvisionsOtherProvisions" xlink:to="lab_ifrs-full_AdditionalProvisionsOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ReductionInCostOfSalesGovernmentSubsidies_d368392a-458f-4619-9645-bb295c7edb5b_terseLabel_en-US" xlink:label="lab_cls_ReductionInCostOfSalesGovernmentSubsidies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reduction in cost of sales</link:label>
    <link:label id="lab_cls_ReductionInCostOfSalesGovernmentSubsidies_label_en-US" xlink:label="lab_cls_ReductionInCostOfSalesGovernmentSubsidies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reduction In Cost Of Sales, Government Subsidies</link:label>
    <link:label id="lab_cls_ReductionInCostOfSalesGovernmentSubsidies_documentation_en-US" xlink:label="lab_cls_ReductionInCostOfSalesGovernmentSubsidies" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reduction In Cost Of Sales, Government Subsidies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ReductionInCostOfSalesGovernmentSubsidies" xlink:href="cls-20221231.xsd#cls_ReductionInCostOfSalesGovernmentSubsidies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ReductionInCostOfSalesGovernmentSubsidies" xlink:to="lab_cls_ReductionInCostOfSalesGovernmentSubsidies" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameMember_745a3bd4-15b7-44fb-8332-d2a0f26db5a2_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings by name</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameMember_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Borrowings by name [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameMember" xlink:to="lab_ifrs-full_BorrowingsByNameMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_3d1e109c-e851-4d4e-821a-afe671411ee5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOtherProvisionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_c49cf5d9-5afc-4de9-ae50-890ac3534ed5_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Items that may be reclassified to net earnings:</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MajorCustomersAxis_de0c90fa-358e-49c8-af20-1c1e90e9516f_terseLabel_en-US" xlink:label="lab_ifrs-full_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Major customers [axis]</link:label>
    <link:label id="lab_ifrs-full_MajorCustomersAxis_label_en-US" xlink:label="lab_ifrs-full_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Major customers [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MajorCustomersAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MajorCustomersAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MajorCustomersAxis" xlink:to="lab_ifrs-full_MajorCustomersAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_ContactPersonnelEmailAddress_df878199-bf54-487c-86e0-af6ecbc5e6b9_terseLabel_en-US" xlink:label="lab_dei_ContactPersonnelEmailAddress" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contact Personnel Email Address</link:label>
    <link:label id="lab_dei_ContactPersonnelEmailAddress_label_en-US" xlink:label="lab_dei_ContactPersonnelEmailAddress" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contact Personnel Email Address</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_ContactPersonnelEmailAddress" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_ContactPersonnelEmailAddress"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_ContactPersonnelEmailAddress" xlink:to="lab_dei_ContactPersonnelEmailAddress" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_EquityInstrumentsOtherThanOptionsGrantedInPeriodPercentageOfTarget_4a2d5935-ab36-4e68-8a3c-02d99bd6eb29_terseLabel_en-US" xlink:label="lab_cls_EquityInstrumentsOtherThanOptionsGrantedInPeriodPercentageOfTarget" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of awards (in millions, representing 100% of target) (in shares)</link:label>
    <link:label id="lab_cls_EquityInstrumentsOtherThanOptionsGrantedInPeriodPercentageOfTarget_label_en-US" xlink:label="lab_cls_EquityInstrumentsOtherThanOptionsGrantedInPeriodPercentageOfTarget" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity Instruments Other Than Options, Granted In Period, Percentage Of Target</link:label>
    <link:label id="lab_cls_EquityInstrumentsOtherThanOptionsGrantedInPeriodPercentageOfTarget_documentation_en-US" xlink:label="lab_cls_EquityInstrumentsOtherThanOptionsGrantedInPeriodPercentageOfTarget" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity Instruments Other Than Options, Granted In Period, Percentage Of Target</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_EquityInstrumentsOtherThanOptionsGrantedInPeriodPercentageOfTarget" xlink:href="cls-20221231.xsd#cls_EquityInstrumentsOtherThanOptionsGrantedInPeriodPercentageOfTarget"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_EquityInstrumentsOtherThanOptionsGrantedInPeriodPercentageOfTarget" xlink:to="lab_cls_EquityInstrumentsOtherThanOptionsGrantedInPeriodPercentageOfTarget" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueofPlanAssetsAllocationPercentage_db0e606d-e43e-434a-857b-db83147fbf52_terseLabel_en-US" xlink:label="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueofPlanAssetsAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Insurance annuities, allocation percentage</link:label>
    <link:label id="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueofPlanAssetsAllocationPercentage_label_en-US" xlink:label="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueofPlanAssetsAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Insurance Annuities, Amount Contributed To Fair Value of Plan Assets, Allocation Percentage</link:label>
    <link:label id="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueofPlanAssetsAllocationPercentage_documentation_en-US" xlink:label="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueofPlanAssetsAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Insurance Annuities, Amount Contributed To Fair Value of Plan Assets, Allocation Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_InsuranceAnnuitiesAmountContributedToFairValueofPlanAssetsAllocationPercentage" xlink:href="cls-20221231.xsd#cls_InsuranceAnnuitiesAmountContributedToFairValueofPlanAssetsAllocationPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_InsuranceAnnuitiesAmountContributedToFairValueofPlanAssetsAllocationPercentage" xlink:to="lab_cls_InsuranceAnnuitiesAmountContributedToFairValueofPlanAssetsAllocationPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DisclosureOfNotionalAmountOfDerivativeAbstract_faa5b29d-6aa0-4395-8e37-b32a80c61d02_terseLabel_en-US" xlink:label="lab_cls_DisclosureOfNotionalAmountOfDerivativeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Notional Amount Of Derivative [Abstract]</link:label>
    <link:label id="lab_cls_DisclosureOfNotionalAmountOfDerivativeAbstract_label_en-US" xlink:label="lab_cls_DisclosureOfNotionalAmountOfDerivativeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Notional Amount Of Derivative [Abstract]</link:label>
    <link:label id="lab_cls_DisclosureOfNotionalAmountOfDerivativeAbstract_documentation_en-US" xlink:label="lab_cls_DisclosureOfNotionalAmountOfDerivativeAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure Of Notional Amount Of Derivative</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DisclosureOfNotionalAmountOfDerivativeAbstract" xlink:href="cls-20221231.xsd#cls_DisclosureOfNotionalAmountOfDerivativeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DisclosureOfNotionalAmountOfDerivativeAbstract" xlink:to="lab_cls_DisclosureOfNotionalAmountOfDerivativeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_e8cbfa68-dc3b-4c0b-a413-876b7c66c4b6_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Diluted earnings per share (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Diluted earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DilutedEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:to="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_AutomaticSharePurchasePlanASPPMember_9d556dd8-25bd-4391-9e29-509b05bbcfc4_terseLabel_en-US" xlink:label="lab_cls_AutomaticSharePurchasePlanASPPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">ASPP</link:label>
    <link:label id="lab_cls_AutomaticSharePurchasePlanASPPMember_label_en-US" xlink:label="lab_cls_AutomaticSharePurchasePlanASPPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Automatic Share Purchase Plan (ASPP) [Member]</link:label>
    <link:label id="lab_cls_AutomaticSharePurchasePlanASPPMember_documentation_en-US" xlink:label="lab_cls_AutomaticSharePurchasePlanASPPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Automatic Share Purchase Plan (ASPP)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_AutomaticSharePurchasePlanASPPMember" xlink:href="cls-20221231.xsd#cls_AutomaticSharePurchasePlanASPPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_AutomaticSharePurchasePlanASPPMember" xlink:to="lab_cls_AutomaticSharePurchasePlanASPPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashEquivalents_15f364a2-dcf5-4e26-96c7-f02a3a9b6bc9_terseLabel_en-US" xlink:label="lab_ifrs-full_CashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash equivalents</link:label>
    <link:label id="lab_ifrs-full_CashEquivalents_label_en-US" xlink:label="lab_ifrs-full_CashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashEquivalents" xlink:to="lab_ifrs-full_CashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareExplanatory_9304ca72-07be-4b3c-be5b-29c911d13082_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of Weighted Average Diluted Shares</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings per share [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EarningsPerShareExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareExplanatory" xlink:to="lab_ifrs-full_EarningsPerShareExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferAxis_b0b8f9a2-aac3-4b5f-9fab-ea93cee4021e_terseLabel_en-US" xlink:label="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derecognition of Financial Assets by Type of Transfer [axis]</link:label>
    <link:label id="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferAxis_label_en-US" xlink:label="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derecognition Of Financial Assets By Type Of Transfer [Axis]</link:label>
    <link:label id="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferAxis_documentation_en-US" xlink:label="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derecognition Of Financial Assets By Type Of Transfer [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DerecognitionOfFinancialAssetsByTypeOfTransferAxis" xlink:href="cls-20221231.xsd#cls_DerecognitionOfFinancialAssetsByTypeOfTransferAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DerecognitionOfFinancialAssetsByTypeOfTransferAxis" xlink:to="lab_cls_DerecognitionOfFinancialAssetsByTypeOfTransferAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_TreasuryStockValueAcquiredCostMethodHeldByTrustee_ac090a50-cdc5-4ff0-a69a-885f2224a39a_terseLabel_en-US" xlink:label="lab_cls_TreasuryStockValueAcquiredCostMethodHeldByTrustee" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Value of SVS held by trustee for delivery under SBC plans</link:label>
    <link:label id="lab_cls_TreasuryStockValueAcquiredCostMethodHeldByTrustee_label_en-US" xlink:label="lab_cls_TreasuryStockValueAcquiredCostMethodHeldByTrustee" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury Stock, Value, Acquired, Cost Method, Held By Trustee</link:label>
    <link:label id="lab_cls_TreasuryStockValueAcquiredCostMethodHeldByTrustee_documentation_en-US" xlink:label="lab_cls_TreasuryStockValueAcquiredCostMethodHeldByTrustee" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury Stock, Value, Acquired, Cost Method, Held By Trustee</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_TreasuryStockValueAcquiredCostMethodHeldByTrustee" xlink:href="cls-20221231.xsd#cls_TreasuryStockValueAcquiredCostMethodHeldByTrustee"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_TreasuryStockValueAcquiredCostMethodHeldByTrustee" xlink:to="lab_cls_TreasuryStockValueAcquiredCostMethodHeldByTrustee" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssets_596c0b39-b364-48e5-9f62-56918ec6d680_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_label_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssets" xlink:to="lab_ifrs-full_FinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalMember_6ba9d9eb-7508-49a3-8879-449b023e743b_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share capital</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalMember_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share capital [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfShareCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalMember" xlink:to="lab_ifrs-full_ClassesOfShareCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_5b6bb529-8c74-4650-a528-431c63a315c0_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating activities:</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash flows from (used in) operating activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_a043c536-c7c5-45e3-9287-0a2d698af07f_totalLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income tax expense</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_012b9107-7624-448f-beb5-ad522608db2e_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income tax expense (recovery)</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ConcentrationRiskPercentage_e3bdfc72-a2f6-46d5-b10f-cb03a0998cf3_terseLabel_en-US" xlink:label="lab_cls_ConcentrationRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of revenue attributable to customer (percent)</link:label>
    <link:label id="lab_cls_ConcentrationRiskPercentage_label_en-US" xlink:label="lab_cls_ConcentrationRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk, Percentage</link:label>
    <link:label id="lab_cls_ConcentrationRiskPercentage_documentation_en-US" xlink:label="lab_cls_ConcentrationRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ConcentrationRiskPercentage" xlink:href="cls-20221231.xsd#cls_ConcentrationRiskPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ConcentrationRiskPercentage" xlink:to="lab_cls_ConcentrationRiskPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DebtIssuanceCostsLineofCreditArrangementsNet1_6056ac68-d83a-4c7c-9918-68e281226ade_terseLabel_en-US" xlink:label="lab_cls_DebtIssuanceCostsLineofCreditArrangementsNet1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred financing costs</link:label>
    <link:label id="lab_cls_DebtIssuanceCostsLineofCreditArrangementsNet1_label_en-US" xlink:label="lab_cls_DebtIssuanceCostsLineofCreditArrangementsNet1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt Issuance Costs, Line of Credit Arrangements, Net1</link:label>
    <link:label id="lab_cls_DebtIssuanceCostsLineofCreditArrangementsNet1_documentation_en-US" xlink:label="lab_cls_DebtIssuanceCostsLineofCreditArrangementsNet1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt Issuance Costs, Line of Credit Arrangements, Net1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DebtIssuanceCostsLineofCreditArrangementsNet1" xlink:href="cls-20221231.xsd#cls_DebtIssuanceCostsLineofCreditArrangementsNet1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DebtIssuanceCostsLineofCreditArrangementsNet1" xlink:to="lab_cls_DebtIssuanceCostsLineofCreditArrangementsNet1" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_ChinaAndThailandMember_c4764fdb-2f9e-4474-9736-e1ee2793cf91_terseLabel_en-US" xlink:label="lab_cls_ChinaAndThailandMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">China And Thailand</link:label>
    <link:label id="lab_cls_ChinaAndThailandMember_label_en-US" xlink:label="lab_cls_ChinaAndThailandMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">China And Thailand [Member]</link:label>
    <link:label id="lab_cls_ChinaAndThailandMember_documentation_en-US" xlink:label="lab_cls_ChinaAndThailandMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">China And Thailand</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_ChinaAndThailandMember" xlink:href="cls-20221231.xsd#cls_ChinaAndThailandMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_ChinaAndThailandMember" xlink:to="lab_cls_ChinaAndThailandMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_OtherComprehensiveIncomeNetOfTaxGainLossOnDefinedBenefitPlans_ca04b34e-f84e-41c9-966f-d885d01a7452_terseLabel_en-US" xlink:label="lab_cls_OtherComprehensiveIncomeNetOfTaxGainLossOnDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gains (losses) on pension and non-pension post-employment benefit plans</link:label>
    <link:label id="lab_cls_OtherComprehensiveIncomeNetOfTaxGainLossOnDefinedBenefitPlans_label_en-US" xlink:label="lab_cls_OtherComprehensiveIncomeNetOfTaxGainLossOnDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Comprehensive Income, Net Of Tax, Gain (Loss) On Defined Benefit Plans</link:label>
    <link:label id="lab_cls_OtherComprehensiveIncomeNetOfTaxGainLossOnDefinedBenefitPlans_documentation_en-US" xlink:label="lab_cls_OtherComprehensiveIncomeNetOfTaxGainLossOnDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Comprehensive Income, Net Of Tax, Gain (Loss) On Defined Benefit Plans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_OtherComprehensiveIncomeNetOfTaxGainLossOnDefinedBenefitPlans" xlink:href="cls-20221231.xsd#cls_OtherComprehensiveIncomeNetOfTaxGainLossOnDefinedBenefitPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_OtherComprehensiveIncomeNetOfTaxGainLossOnDefinedBenefitPlans" xlink:to="lab_cls_OtherComprehensiveIncomeNetOfTaxGainLossOnDefinedBenefitPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAxis_d14c6749-91c5-4bb7-8abb-415b68310fd3_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Maturity [axis]</link:label>
    <link:label id="lab_ifrs-full_MaturityAxis_label_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Maturity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAxis" xlink:to="lab_ifrs-full_MaturityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_PlanAssetsAtFairValueAllocationPercentage_97ec9058-3394-42dc-821b-98baf1adb47a_totalLabel_en-US" xlink:label="lab_cls_PlanAssetsAtFairValueAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total, allocation percentage</link:label>
    <link:label id="lab_cls_PlanAssetsAtFairValueAllocationPercentage_label_en-US" xlink:label="lab_cls_PlanAssetsAtFairValueAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan Assets At Fair Value, Allocation Percentage</link:label>
    <link:label id="lab_cls_PlanAssetsAtFairValueAllocationPercentage_documentation_en-US" xlink:label="lab_cls_PlanAssetsAtFairValueAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan Assets At Fair Value, Allocation Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_PlanAssetsAtFairValueAllocationPercentage" xlink:href="cls-20221231.xsd#cls_PlanAssetsAtFairValueAllocationPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_PlanAssetsAtFairValueAllocationPercentage" xlink:to="lab_cls_PlanAssetsAtFairValueAllocationPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_RiskFreeInterestRateOtherEquityInstrumentsGranted_654a207d-01ec-4a12-b0ac-eb8685e48b22_terseLabel_en-US" xlink:label="lab_cls_RiskFreeInterestRateOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Risk-free interest rate (based on 3-year Treasury bonds)</link:label>
    <link:label id="lab_cls_RiskFreeInterestRateOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_cls_RiskFreeInterestRateOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Risk Free Interest Rate, Other Equity Instruments Granted</link:label>
    <link:label id="lab_cls_RiskFreeInterestRateOtherEquityInstrumentsGranted_documentation_en-US" xlink:label="lab_cls_RiskFreeInterestRateOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Risk Free Interest Rate, Other Equity Instruments Granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_RiskFreeInterestRateOtherEquityInstrumentsGranted" xlink:href="cls-20221231.xsd#cls_RiskFreeInterestRateOtherEquityInstrumentsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_RiskFreeInterestRateOtherEquityInstrumentsGranted" xlink:to="lab_cls_RiskFreeInterestRateOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SharebasedPaymentArrangementsMember_1545a7ce-0779-4d98-b7b6-f6947eaaf105_terseLabel_en-US" xlink:label="lab_ifrs-full_SharebasedPaymentArrangementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based payment arrangements</link:label>
    <link:label id="lab_ifrs-full_SharebasedPaymentArrangementsMember_label_en-US" xlink:label="lab_ifrs-full_SharebasedPaymentArrangementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based payment arrangements [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SharebasedPaymentArrangementsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SharebasedPaymentArrangementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SharebasedPaymentArrangementsMember" xlink:to="lab_ifrs-full_SharebasedPaymentArrangementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RightofuseAssets_b9d771bc-de5d-42c2-b9ea-b61293447355_terseLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right-of-use assets</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_4d693316-79ff-4791-bb81-9a6133d8dc15_periodStartLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_58021f25-6254-4768-a315-517dd4dbc18d_periodEndLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RightofuseAssets" xlink:to="lab_ifrs-full_RightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AggregatedTimeBandsMember_773f1a8a-b813-431f-87f4-25310ed3caaa_terseLabel_en-US" xlink:label="lab_ifrs-full_AggregatedTimeBandsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Aggregated time bands</link:label>
    <link:label id="lab_ifrs-full_AggregatedTimeBandsMember_label_en-US" xlink:label="lab_ifrs-full_AggregatedTimeBandsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Aggregated time bands [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AggregatedTimeBandsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedTimeBandsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AggregatedTimeBandsMember" xlink:to="lab_ifrs-full_AggregatedTimeBandsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory_859d9b4c-b35b-4fbc-b590-a261d3f375c1_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair value through profit or loss (FVTPL)</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for financial instruments at fair value through profit or loss [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_1adafe4d-bcf7-4d30-b9d5-0b4df269dd51_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_RON_1d7d06a5-282e-403f-b500-b3cfcb773866_terseLabel_en-US" xlink:label="lab_currency_RON" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Romanian leu</link:label>
    <link:label id="lab_currency_RON_label_en-US" xlink:label="lab_currency_RON" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Romania, New Lei</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_RON" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_RON"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_RON" xlink:to="lab_currency_RON" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_EUR_1a46e85a-c8e0-418e-98d5-b50fd0f2d39b_terseLabel_en-US" xlink:label="lab_currency_EUR" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Euro</link:label>
    <link:label id="lab_currency_EUR_label_en-US" xlink:label="lab_currency_EUR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Euro Member Countries, Euro</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_EUR" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_EUR"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_EUR" xlink:to="lab_currency_EUR" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAbstract_0e407923-7f60-4be0-84bc-fcd989e9e781_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity:</link:label>
    <link:label id="lab_ifrs-full_EquityAbstract_label_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="lab_ifrs-full_EquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxExpenseIncomeImpactOfForeignExchangeTranslation_4876eaf2-e299-4651-8844-b764735e8b12_negatedTerseLabel_en-US" xlink:label="lab_cls_IncomeTaxExpenseIncomeImpactOfForeignExchangeTranslation" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Favorable currency impacts</link:label>
    <link:label id="lab_cls_IncomeTaxExpenseIncomeImpactOfForeignExchangeTranslation_label_en-US" xlink:label="lab_cls_IncomeTaxExpenseIncomeImpactOfForeignExchangeTranslation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Expense (Income), Impact Of Foreign Exchange Translation</link:label>
    <link:label id="lab_cls_IncomeTaxExpenseIncomeImpactOfForeignExchangeTranslation_documentation_en-US" xlink:label="lab_cls_IncomeTaxExpenseIncomeImpactOfForeignExchangeTranslation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Expense (Income), Impact Of Foreign Exchange Translation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxExpenseIncomeImpactOfForeignExchangeTranslation" xlink:href="cls-20221231.xsd#cls_IncomeTaxExpenseIncomeImpactOfForeignExchangeTranslation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxExpenseIncomeImpactOfForeignExchangeTranslation" xlink:to="lab_cls_IncomeTaxExpenseIncomeImpactOfForeignExchangeTranslation" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_DeferredTaxLiabilitiesAndOtherNoncurrentLiabilitiesRecognizedAsOfAcquisitionDate_8c918e77-3bcb-4b23-b6c6-e747eda04a60_negatedTerseLabel_en-US" xlink:label="lab_cls_DeferredTaxLiabilitiesAndOtherNoncurrentLiabilitiesRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred income taxes and other long-term liabilities</link:label>
    <link:label id="lab_cls_DeferredTaxLiabilitiesAndOtherNoncurrentLiabilitiesRecognizedAsOfAcquisitionDate_label_en-US" xlink:label="lab_cls_DeferredTaxLiabilitiesAndOtherNoncurrentLiabilitiesRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Liabilities And Other Non-current Liabilities Recognized As Of Acquisition Date</link:label>
    <link:label id="lab_cls_DeferredTaxLiabilitiesAndOtherNoncurrentLiabilitiesRecognizedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_cls_DeferredTaxLiabilitiesAndOtherNoncurrentLiabilitiesRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Liabilities And Other Non-current Liabilities Recognized As Of Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_DeferredTaxLiabilitiesAndOtherNoncurrentLiabilitiesRecognizedAsOfAcquisitionDate" xlink:href="cls-20221231.xsd#cls_DeferredTaxLiabilitiesAndOtherNoncurrentLiabilitiesRecognizedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_DeferredTaxLiabilitiesAndOtherNoncurrentLiabilitiesRecognizedAsOfAcquisitionDate" xlink:to="lab_cls_DeferredTaxLiabilitiesAndOtherNoncurrentLiabilitiesRecognizedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Assets_c7635e63-5488-4b33-a1bb-657e2bc74612_totalLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total assets</link:label>
    <link:label id="lab_ifrs-full_Assets_label_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Assets" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Assets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Assets" xlink:to="lab_ifrs-full_Assets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_681bbfb6-d45c-4344-abdd-541203ae36eb_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Depreciation and Impairment</link:label>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_b2c1e687-3fda-440d-84c5-a3e70ce49a62_verboseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Amortization and Impairment</link:label>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated depreciation, amortisation and impairment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:to="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansMember_5463b70c-4fb2-4f3f-97cd-685dba080219_terseLabel_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined benefit plans</link:label>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansMember_label_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined benefit plans [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DefinedBenefitPlansMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DefinedBenefitPlansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DefinedBenefitPlansMember" xlink:to="lab_ifrs-full_DefinedBenefitPlansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_LineOfCreditFacilityMaximumBorrowingCapacity1_bbfda471-0013-46ce-a957-b5665b491266_terseLabel_en-US" xlink:label="lab_cls_LineOfCreditFacilityMaximumBorrowingCapacity1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of credit, maximum borrowing capacity</link:label>
    <link:label id="lab_cls_LineOfCreditFacilityMaximumBorrowingCapacity1_label_en-US" xlink:label="lab_cls_LineOfCreditFacilityMaximumBorrowingCapacity1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line Of Credit Facility, Maximum Borrowing Capacity1</link:label>
    <link:label id="lab_cls_LineOfCreditFacilityMaximumBorrowingCapacity1_documentation_en-US" xlink:label="lab_cls_LineOfCreditFacilityMaximumBorrowingCapacity1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line Of Credit Facility, Maximum Borrowing Capacity1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_LineOfCreditFacilityMaximumBorrowingCapacity1" xlink:href="cls-20221231.xsd#cls_LineOfCreditFacilityMaximumBorrowingCapacity1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_LineOfCreditFacilityMaximumBorrowingCapacity1" xlink:to="lab_cls_LineOfCreditFacilityMaximumBorrowingCapacity1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_bd27b446-397e-47c8-acf6-45bf2b2005bc_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill and intangible assets</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Description of accounting policy for intangible assets and goodwill [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised_f7de8b4a-a4d8-4def-bb4e-1cecf27b69c5_terseLabel_en-US" xlink:label="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deductible temporary differences and unused tax losses for which no deferred tax assets have been recognized</link:label>
    <link:label id="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised_label_en-US" xlink:label="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deductible temporary differences for which no deferred tax asset is recognised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:to="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_38098f28-197e-4bef-9182-e8168860fe1d_terseLabel_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other benefit plans</link:label>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_label_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:to="lab_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory_a7a1be0c-f96c-4b74-bbc0-d3b0c15a7aa7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expenses By Nature</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of expenses by nature [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfExpensesByNatureExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:to="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_IncomeTaxExpenseBenefitRecognitionOfDeferredTaxAssetsOfSubsidiary_0039ee1d-dda7-4e41-b29f-64617212e4d4_negatedTerseLabel_en-US" xlink:label="lab_cls_IncomeTaxExpenseBenefitRecognitionOfDeferredTaxAssetsOfSubsidiary" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Previously unrecognized deferred tax assets of subsidiary</link:label>
    <link:label id="lab_cls_IncomeTaxExpenseBenefitRecognitionOfDeferredTaxAssetsOfSubsidiary_label_en-US" xlink:label="lab_cls_IncomeTaxExpenseBenefitRecognitionOfDeferredTaxAssetsOfSubsidiary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Expense (Benefit), Recognition Of Deferred Tax Assets Of Subsidiary</link:label>
    <link:label id="lab_cls_IncomeTaxExpenseBenefitRecognitionOfDeferredTaxAssetsOfSubsidiary_documentation_en-US" xlink:label="lab_cls_IncomeTaxExpenseBenefitRecognitionOfDeferredTaxAssetsOfSubsidiary" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Expense (Benefit), Recognition Of Deferred Tax Assets Of Subsidiary</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_IncomeTaxExpenseBenefitRecognitionOfDeferredTaxAssetsOfSubsidiary" xlink:href="cls-20221231.xsd#cls_IncomeTaxExpenseBenefitRecognitionOfDeferredTaxAssetsOfSubsidiary"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_IncomeTaxExpenseBenefitRecognitionOfDeferredTaxAssetsOfSubsidiary" xlink:to="lab_cls_IncomeTaxExpenseBenefitRecognitionOfDeferredTaxAssetsOfSubsidiary" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_NumberofParticipantsOfRetirementBenefitPlanReceivingBenefitsPercentage_8dae957b-a774-493c-bd58-fc88a127ffda_terseLabel_en-US" xlink:label="lab_cls_NumberofParticipantsOfRetirementBenefitPlanReceivingBenefitsPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of plan members that are active employees of the Company</link:label>
    <link:label id="lab_cls_NumberofParticipantsOfRetirementBenefitPlanReceivingBenefitsPercentage_label_en-US" xlink:label="lab_cls_NumberofParticipantsOfRetirementBenefitPlanReceivingBenefitsPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of Participants Of Retirement Benefit Plan Receiving Benefits, Percentage</link:label>
    <link:label id="lab_cls_NumberofParticipantsOfRetirementBenefitPlanReceivingBenefitsPercentage_documentation_en-US" xlink:label="lab_cls_NumberofParticipantsOfRetirementBenefitPlanReceivingBenefitsPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of Participants Of Retirement Benefit Plan Receiving Benefits, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_NumberofParticipantsOfRetirementBenefitPlanReceivingBenefitsPercentage" xlink:href="cls-20221231.xsd#cls_NumberofParticipantsOfRetirementBenefitPlanReceivingBenefitsPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_NumberofParticipantsOfRetirementBenefitPlanReceivingBenefitsPercentage" xlink:to="lab_cls_NumberofParticipantsOfRetirementBenefitPlanReceivingBenefitsPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_cls_SharebasedCompensationAwardTrancheFourMember_bd6c7e9b-8cab-4fae-862f-685ea00107e4_terseLabel_en-US" xlink:label="lab_cls_SharebasedCompensationAwardTrancheFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Vested in year 4</link:label>
    <link:label id="lab_cls_SharebasedCompensationAwardTrancheFourMember_label_en-US" xlink:label="lab_cls_SharebasedCompensationAwardTrancheFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Award, Tranche Four [Member]</link:label>
    <link:label id="lab_cls_SharebasedCompensationAwardTrancheFourMember_documentation_en-US" xlink:label="lab_cls_SharebasedCompensationAwardTrancheFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Award, Tranche Four [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_cls_SharebasedCompensationAwardTrancheFourMember" xlink:href="cls-20221231.xsd#cls_SharebasedCompensationAwardTrancheFourMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cls_SharebasedCompensationAwardTrancheFourMember" xlink:to="lab_cls_SharebasedCompensationAwardTrancheFourMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems_be16c8d3-3f41-4e5c-8518-35ce0dd2fda0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems" xlink:to="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems" xlink:type="arc" order="1"/>
  </link:labelLink>
</link:linkbase>
