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      <filer>
        <filerCredentials>
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          <ccc>XXXXXXXX</ccc>
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      <liveTestFlag>LIVE</liveTestFlag>



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    <issuerInfo>
      <issuerCik>0001443646</issuerCik>
      <issuerName>Booz Allen Hamilton Holding Corp</issuerName>
      <secFileNumber>001-34972</secFileNumber>
      <issuerAddress>
        <com:street1>8283 GREENSBORO DRIVE</com:street1>
        <com:city>MCLEAN</com:city>
        <com:stateOrCountry>VA</com:stateOrCountry>
        <com:zipCode>22102</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>703-902-5000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Laben Nancy</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Class A</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>71</noOfUnitsSold>
      <aggregateMarketValue>7952.00</aggregateMarketValue>
      <noOfUnitsOutstanding>130824544</noOfUnitsOutstanding>
      <approxSaleDate>06/30/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Class A</securitiesClassTitle>
      <acquiredDate>05/17/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>71</amountOfSecuritiesAcquired>
      <paymentDate>05/17/2022</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Nancy Laben</name>
        <address>
          <com:street1>8283 Greensboro Drive</com:street1>
          <com:city>McLean</com:city>
          <com:stateOrCountry>VA</com:stateOrCountry>
          <com:zipCode>22102</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Class A</securitiesClassTitle>
      <saleDate>06/13/2023</saleDate>
      <amountOfSecuritiesSold>4117</amountOfSecuritiesSold>
      <grossProceeds>432285.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Nancy Laben</name>
        <address>
          <com:street1>8283 Greensboro Drive</com:street1>
          <com:city>McLean</com:city>
          <com:stateOrCountry>VA</com:stateOrCountry>
          <com:zipCode>22102</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Class A</securitiesClassTitle>
      <saleDate>06/21/2023</saleDate>
      <amountOfSecuritiesSold>4117</amountOfSecuritiesSold>
      <grossProceeds>452870.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>06/30/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>02/02/2023</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Nancy J. Laben</signature>
    </noticeSignature>
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144
0001588110
XXXXXXXX
LIVE
0001443646
Booz Allen Hamilton Holding Corp
001-34972
8283 GREENSBORO DRIVE
MCLEAN
VA
22102
703-902-5000
Laben Nancy
Officer
Class A
Fidelity Brokerage Services LLC
900 Salem Street
Smithfield
RI
02917
71
7952.00
130824544
06/30/2023
NYSE
Class A
05/17/2022
Restricted Stock Vesting
Issuer
N
71
05/17/2022
Compensation
N
Nancy Laben
8283 Greensboro Drive
McLean
VA
22102
Class A
06/13/2023
4117
432285.00
Nancy Laben
8283 Greensboro Drive
McLean
VA
22102
Class A
06/21/2023
4117
452870.00
06/30/2023
02/02/2023
/s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Nancy J. Laben