<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001769573</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001576427</issuerCik>
      <issuerName>Criteo S.A.</issuerName>
      <secFileNumber>001-36153</secFileNumber>
      <issuerAddress>
        <com:street1>32 RUE BLANCHE</com:street1>
        <com:city>PARIS</com:city>
        <com:stateOrCountry>I0</com:stateOrCountry>
        <com:zipCode>75009</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>33175850939</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Damon Ryan</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
        <relationshipToIssuer>CHIEF LEGAL OFFICER</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>ORDINARY SHARES</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>CITIGROUP GLOBAL MARKETS</name>
        <address>
          <com:street1>390 GREENWICH ST</com:street1>
          <com:city>NEW YORK  </com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10013</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>15931</noOfUnitsSold>
      <aggregateMarketValue>641688.97</aggregateMarketValue>
      <noOfUnitsOutstanding>55182166</noOfUnitsOutstanding>
      <approxSaleDate>02/25/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>ORDINARY SHARES</securitiesClassTitle>
      <acquiredDate>02/24/2021</acquiredDate>
      <natureOfAcquisitionTransaction>PERFORMANCE STOCK UNITS VESTING AND RESTRICTED STOCK UNITS VESTING</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>CRITEO S.A.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>38917</amountOfSecuritiesAcquired>
      <paymentDate>02/24/2025</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>RYAN DAMON</name>
        <address>
          <com:street1>32 RUE BLANCHE</com:street1>
          <com:city>PARIS </com:city>
          <com:stateOrCountry>I0</com:stateOrCountry>
          <com:zipCode>75009</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>ORDINARY SHARES</securitiesClassTitle>
      <saleDate>11/25/2024</saleDate>
      <amountOfSecuritiesSold>2885</amountOfSecuritiesSold>
      <grossProceeds>116444.66</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>RYAN DAMON</name>
        <address>
          <com:street1>32 RUE BLANCHE</com:street1>
          <com:city>PARIS</com:city>
          <com:stateOrCountry>I0</com:stateOrCountry>
          <com:zipCode>75009</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>ORDINARY SHARES</securitiesClassTitle>
      <saleDate>12/13/2024</saleDate>
      <amountOfSecuritiesSold>2793</amountOfSecuritiesSold>
      <grossProceeds>118811.40</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>3 D BASED ON INDICATIVE MARKET PRICES 40.1144, 40.2983
UNDER SECURITIES TO BE SOLD DATE ACQUIRED FEB 2021 FEB 2022 FEB 2023
SHARES COVERED BY THIS FORM 144 WERE SOLD PURSUANT TO A TRADING PLAN DATED SEP 13 24 WHICH IS INTENDED TO COMPLY WITH RULE 10B51 (c)  FOLLOWING VESTING OF PERFORMANCE AND RESTRICTED STOCK. CERTAIN OF THESE SECURITIES WERE AUTOMATICALLY SOLD TO COVER TAX WITHHOLDING OBLIGATIONS ARISING FROM THE VESTING AND SETTLEMENT OF EQUITY AWARDS AND SUCH AUTOMATIC TRANSACTIONS WERE EXECUTED OVER THE COURSE OF TWO DAYS FROM FEB 24 25 TO FEB 25 25</remarks>
    <noticeSignature>
      <noticeDate>02/25/2025</noticeDate>
      <signature>CONFORMED SIGNATURE ON FILE</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
