<?xml version="1.0" encoding="utf-8"?>
<!--Generated by DFIN XBRL Instance Document - http://www.dfinsolutions.com/ - Version R3.0 - on 27-March-2024 [07:32:21] {PM}-->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#PvpDisclosure" roleURI="http://xbrl.sec.gov/ecd/role/PvpDisclosure" />
<presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/ecd/role/PvpDisclosure">
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AllIndividualsMember" xlink:label="AllIndividualsMember" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_SimaSistaniMember" xlink:label="SimaSistaniMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllIndividualsMember" xlink:to="SimaSistaniMember" order="100" preferredLabel="http://www.xbrl.org/2003/role/label" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_MindyGrossmanMember" xlink:label="MindyGrossmanMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllIndividualsMember" xlink:to="MindyGrossmanMember" order="101" preferredLabel="http://www.xbrl.org/2003/role/label" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AllAdjToCompMember" xlink:label="AllAdjToCompMember" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_ChangeInPensionValueDeductionMember" xlink:label="ChangeInPensionValueDeductionMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="ChangeInPensionValueDeductionMember" order="102" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_PensionServiceCostAdditionMember" xlink:label="PensionServiceCostAdditionMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="PensionServiceCostAdditionMember" order="103" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_PriorPensionServiceCostAdditionMember" xlink:label="PriorPensionServiceCostAdditionMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="PriorPensionServiceCostAdditionMember" order="104" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_ReportedStockAndOptionAwardsDeductionMember" xlink:label="ReportedStockAndOptionAwardsDeductionMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="ReportedStockAndOptionAwardsDeductionMember" order="105" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_StockAndOptionAwardsAdjustmentMember" xlink:label="StockAndOptionAwardsAdjustmentMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="StockAndOptionAwardsAdjustmentMember" order="106" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_AverageChangeInPensionValueDeductionMember" xlink:label="AverageChangeInPensionValueDeductionMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="AverageChangeInPensionValueDeductionMember" order="107" preferredLabel="http://www.xbrl.org/2003/role/label" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_AveragePensionServiceCostAdditionMember" xlink:label="AveragePensionServiceCostAdditionMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="AveragePensionServiceCostAdditionMember" order="108" preferredLabel="http://www.xbrl.org/2003/role/label" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_AveragePriorPensionServiceCostAdditionMember" xlink:label="AveragePriorPensionServiceCostAdditionMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="AveragePriorPensionServiceCostAdditionMember" order="109" preferredLabel="http://www.xbrl.org/2003/role/label" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_AverageReportedStockAndOptionAwardsDeductionMember" xlink:label="AverageReportedStockAndOptionAwardsDeductionMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="AverageReportedStockAndOptionAwardsDeductionMember" order="110" preferredLabel="http://www.xbrl.org/2003/role/label" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_AverageStockAndOptionAwardsAdjustmentMember" xlink:label="AverageStockAndOptionAwardsAdjustmentMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="AverageStockAndOptionAwardsAdjustmentMember" order="111" preferredLabel="http://www.xbrl.org/2003/role/label" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_YearEndFairValueOfUnvestedEquityAwardsGrantedInTheCoveredYearMember" xlink:label="YearEndFairValueOfUnvestedEquityAwardsGrantedInTheCoveredYearMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="YearEndFairValueOfUnvestedEquityAwardsGrantedInTheCoveredYearMember" order="112" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_YearOverYearChangeInFairValueOfOutstandingAndUnvestedEquityAwardsMember" xlink:label="YearOverYearChangeInFairValueOfOutstandingAndUnvestedEquityAwardsMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="YearOverYearChangeInFairValueOfOutstandingAndUnvestedEquityAwardsMember" order="113" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_FairValueAsOfVestingDateOfEquityAwardsGrantedAndVestedInTheYearMember" xlink:label="FairValueAsOfVestingDateOfEquityAwardsGrantedAndVestedInTheYearMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="FairValueAsOfVestingDateOfEquityAwardsGrantedAndVestedInTheYearMember" order="114" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_YearOverYearChangeInFairValueOfEquityAwardsGrantedInPriorYearsThatVestedInTheYearMember" xlink:label="YearOverYearChangeInFairValueOfEquityAwardsGrantedInPriorYearsThatVestedInTheYearMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="YearOverYearChangeInFairValueOfEquityAwardsGrantedInPriorYearsThatVestedInTheYearMember" order="115" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_FairValueAtTheEndOfThePriorYearOfEquityAwardsThatFailedToMeetVestingConditionsInTheYearMember" xlink:label="FairValueAtTheEndOfThePriorYearOfEquityAwardsThatFailedToMeetVestingConditionsInTheYearMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="FairValueAtTheEndOfThePriorYearOfEquityAwardsThatFailedToMeetVestingConditionsInTheYearMember" order="116" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_ValueOfDividendsOrOtherEarningsPaidOnEquityAwardsNotOtherwiseReflectedInFairValueOrTotalCompensationMember" xlink:label="ValueOfDividendsOrOtherEarningsPaidOnEquityAwardsNotOtherwiseReflectedInFairValueOrTotalCompensationMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="ValueOfDividendsOrOtherEarningsPaidOnEquityAwardsNotOtherwiseReflectedInFairValueOrTotalCompensationMember" order="117" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_ValueOfDividendsOrOtherEarningsPaidOnStockOrOptionAwardsNotOtherwiseReflectedInFairValueOrTotalCompensationMember" xlink:label="ValueOfDividendsOrOtherEarningsPaidOnStockOrOptionAwardsNotOtherwiseReflectedInFairValueOrTotalCompensationMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="ValueOfDividendsOrOtherEarningsPaidOnStockOrOptionAwardsNotOtherwiseReflectedInFairValueOrTotalCompensationMember" order="118" preferredLabel="http://www.xbrl.org/2003/role/label" />
<loc xlink:type="locator" xlink:href="ww-20231230.xsd#ww_TotalStockAndOptionAwardsAdjustmentMember" xlink:label="TotalStockAndOptionAwardsAdjustmentMember" />
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllAdjToCompMember" xlink:to="TotalStockAndOptionAwardsAdjustmentMember" order="119" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
</presentationLink>
</linkbase>
