content: <?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>0001078095</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001585689</issuerCik>
        <issuerName>Hilton Worldwide Holdings Inc.</issuerName>
        <secFileNumber>001-36243</secFileNumber>
        <issuerAddress>
          <com:street1>7930 JONES BRANCH DRIVE, SUITE 1100</com:street1>
          <com:city>MCLEAN</com:city>
          <com:stateOrCountry>VA</com:stateOrCountry>
          <com:zipCode>22102</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>703-883-1000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>NASSETTA CHRISTOPHER J</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>22095</noOfUnitsSold>
        <aggregateMarketValue>4260631.05</aggregateMarketValue>
        <noOfUnitsOutstanding>252160518</noOfUnitsOutstanding>
        <approxSaleDate>02/09/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/09/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Option Granted - 02/19/2014</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>22095</amountOfSecuritiesAcquired>
        <paymentDate>02/09/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Christopher Nassetta</name>
          <address>
            <com:street1>7930 Jones Branch Drive</com:street1>
            <com:street2>Suite 1100</com:street2>
            <com:city>McLean</com:city>
            <com:stateOrCountry>VA</com:stateOrCountry>
            <com:zipCode>22102</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>02/08/2024</saleDate>
        <amountOfSecuritiesSold>21489</amountOfSecuritiesSold>
        <grossProceeds>4205044.88</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>02/09/2024</noticeDate>
        <signature>/s/ Courtney Broxterman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Christopher Nassetta</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001078095
  XXXXXXXX
  LIVE
  0001585689
  Hilton Worldwide Holdings Inc.
  001-36243
  7930 JONES BRANCH DRIVE, SUITE 1100
  MCLEAN
  VA
  22102
  703-883-1000
  NASSETTA CHRISTOPHER J
  Officer
  Director
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  22095
  4260631.05
  252160518
  02/09/2024
  NYSE
  Common
  02/09/2024
  Option Granted - 02/19/2014
  Issuer
  N
  22095
  02/09/2024
  Cash
  N
  Christopher Nassetta
  7930 Jones Branch Drive
  Suite 1100
  McLean
  VA
  22102
  Common
  02/08/2024
  21489
  4205044.88
  02/09/2024
  /s/ Courtney Broxterman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Christopher Nassetta