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>0001549713</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000101778</issuerCik>
        <issuerName>MARATHON OIL CORP</issuerName>
        <secFileNumber>001-05153</secFileNumber>
        <issuerAddress>
          <com:street1>P O BOX 3128</com:street1>
          <com:city>HOUSTON</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>77253-3128</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>7136296600</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>WAGNER PATRICK</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem St</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>41345</noOfUnitsSold>
        <aggregateMarketValue>1135157.08</aggregateMarketValue>
        <noOfUnitsOutstanding>605687177</noOfUnitsOutstanding>
        <approxSaleDate>09/27/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/27/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Options Granted - 02/19/2020</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>34722</amountOfSecuritiesAcquired>
        <paymentDate>09/27/2023</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/01/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>6623</amountOfSecuritiesAcquired>
        <paymentDate>03/01/2023</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Patrick Wagner</name>
          <address>
            <com:street1>990 Town and Country Boulevard</com:street1>
            <com:city>Houston</com:city>
            <com:stateOrCountry>TX</com:stateOrCountry>
            <com:zipCode>77024-2217</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>08/28/2023</saleDate>
        <amountOfSecuritiesSold>34756</amountOfSecuritiesSold>
        <grossProceeds>899611.15</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>09/27/2023</noticeDate>
        <signature>/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Patrick Wagner</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3955}]
text: 144
  0001549713
  XXXXXXXX
  LIVE
  0000101778
  MARATHON OIL CORP
  001-05153
  P O BOX 3128
  HOUSTON
  TX
  77253-3128
  7136296600
  WAGNER PATRICK
  Officer
  Common
  Fidelity Brokerage Services LLC
  900 Salem St
  Smithfield
  RI
  02917
  41345
  1135157.08
  605687177
  09/27/2023
  NYSE
  Common
  09/27/2023
  Options Granted - 02/19/2020
  Issuer
  N
  34722
  09/27/2023
  Cash
  Common
  03/01/2023
  Restricted Stock Vesting
  Issuer
  N
  6623
  03/01/2023
  Compensation
  N
  Patrick Wagner
  990 Town and Country Boulevard
  Houston
  TX
  77024-2217
  Common
  08/28/2023
  34756
  899611.15
  09/27/2023
  /s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Patrick Wagner