content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <!-- Generated by Workiva -->
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001183693</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000749251</issuerCik>
        <issuerName>Gartner, Inc.</issuerName>
        <secFileNumber>001-14443</secFileNumber>
        <issuerAddress>
          <com:street1>P.O. Box 10212</com:street1>
          <com:street2>56 Top Gallant Road</com:street2>
          <com:city>Stamford</com:city>
          <com:stateOrCountry>CT</com:stateOrCountry>
          <com:zipCode>06902</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>203-964-0096</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>James C. Smith</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Affiliate</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>390 Madison Avenue - 6th Floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>5000</noOfUnitsSold>
        <aggregateMarketValue>1930000</aggregateMarketValue>
        <noOfUnitsOutstanding>77948612</noOfUnitsOutstanding>
        <approxSaleDate>11/06/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>06/15/2005</acquiredDate>
        <natureOfAcquisitionTransaction>Compensation</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>80000</amountOfSecuritiesAcquired>
        <paymentDate>06/15/2005</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>James C. Smith</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>P.O. Box 10212 56 Top Gallant Road</com:street2>
            <com:city>Stamford</com:city>
            <com:stateOrCountry>CT</com:stateOrCountry>
            <com:zipCode>06902</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>09/07/2023</saleDate>
        <amountOfSecuritiesSold>10000</amountOfSecuritiesSold>
        <grossProceeds>3521500</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>James C. Smith</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>P.O. Box 10212 56 Top Gallant Road</com:street2>
            <com:city>Stamford</com:city>
            <com:stateOrCountry>CT</com:stateOrCountry>
            <com:zipCode>06902</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>09/08/2023</saleDate>
        <amountOfSecuritiesSold>10000</amountOfSecuritiesSold>
        <grossProceeds>3559000</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>11/06/2023</noticeDate>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for James C. Smith</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4143}]
text: 144
  0001183693
  XXXXXXXX
  LIVE
  0000749251
  Gartner, Inc.
  001-14443
  P.O. Box 10212
  56 Top Gallant Road
  Stamford
  CT
  06902
  203-964-0096
  James C. Smith
  Affiliate
  Common
  J.P. Morgan Securities LLC
  390 Madison Avenue - 6th Floor
  New York
  NY
  10017
  5000
  1930000
  77948612
  11/06/2023
  NYSE
  Common
  06/15/2005
  Compensation
  Issuer
  N
  80000
  06/15/2005
  Compensation
  N
  James C. Smith
  C/O Issuer
  P.O. Box 10212 56 Top Gallant Road
  Stamford
  CT
  06902
  Common
  09/07/2023
  10000
  3521500
  James C. Smith
  C/O Issuer
  P.O. Box 10212 56 Top Gallant Road
  Stamford
  CT
  06902
  Common
  09/08/2023
  10000
  3559000
  11/06/2023
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for James C. Smith