<?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>0001749338</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>Glickman Sarah JS</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
        <relationshipToIssuer>CHIEF FINANCIAL 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>17883</noOfUnitsSold>
      <aggregateMarketValue>720654.50</aggregateMarketValue>
      <noOfUnitsOutstanding>55182166</noOfUnitsOutstanding>
      <approxSaleDate>02/25/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>ORDINARY SHARES</securitiesClassTitle>
      <acquiredDate>02/24/2022</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK VESTING AND PERFORMANCE STOCK VESTING</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>CRITEO S.A.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>53705</amountOfSecuritiesAcquired>
      <paymentDate>02/24/2025</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>SARAH GLICKMAN</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>1520</amountOfSecuritiesSold>
      <grossProceeds>61350.39</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>3 D BASED ON INDICATIVE MARKET PRICE 40.2983
UNDER SECURITIES TO BE SOLD DATE ACQUIRED FEB 2022 AND FEB 2023
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>
