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>0001304481</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001166691</issuerCik>
        <issuerName>COMCAST CORP</issuerName>
        <secFileNumber>001-32871</secFileNumber>
        <issuerAddress>
          <com:street1>ONE COMCAST CENTER</com:street1>
          <com:city>PHILADELPHIA</com:city>
          <com:stateOrCountry>PA</com:stateOrCountry>
          <com:zipCode>19103-2838</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>215-286-1700</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Cavanagh Michael J</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Member of immediate family of any of the foregoing</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>107622</noOfUnitsSold>
        <aggregateMarketValue>4577045.61</aggregateMarketValue>
        <noOfUnitsOutstanding>3817095628</noOfUnitsOutstanding>
        <approxSaleDate>11/26/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Class A</securitiesClassTitle>
        <acquiredDate>11/26/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Option Granted - 05/15/2015</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>107622</amountOfSecuritiesAcquired>
        <paymentDate>11/26/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>These shares where sold in the 2020 Michael J Cavanagh Family Trust by Emily A Cavanagh, who is the spouse of Michael J. Cavanagh</remarks>
      <noticeSignature>
        <noticeDate>11/26/2024</noticeDate>
        <signature>/s/ Eric Janiak, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael J Cavanagh</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3038}]
text: 144
  0001304481
  XXXXXXXX
  LIVE
  0001166691
  COMCAST CORP
  001-32871
  ONE COMCAST CENTER
  PHILADELPHIA
  PA
  19103-2838
  215-286-1700
  Cavanagh Michael J
  Member of immediate family of any of the foregoing
  Class A
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  107622
  4577045.61
  3817095628
  11/26/2024
  NASDAQ
  Class A
  11/26/2024
  Option Granted - 05/15/2015
  Issuer
  N
  107622
  11/26/2024
  Cash
  Y
  These shares where sold in the 2020 Michael J Cavanagh Family Trust by Emily A Cavanagh, who is the spouse of Michael J. Cavanagh
  11/26/2024
  /s/ Eric Janiak, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael J Cavanagh