<?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>0000942011</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000898173</issuerCik>
      <issuerName>O REILLY AUTOMOTIVE INC</issuerName>
      <secFileNumber>000-21318</secFileNumber>
      <issuerAddress>
        <com:street1>233 S PATTERSON AVE</com:street1>
        <com:city>SPRINGFIELD</com:city>
        <com:stateOrCountry>MO</com:stateOrCountry>
        <com:zipCode>65802</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>417-829-5878</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>OREILLY LAWRENCE P</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Merrill Private Wealth Management</name>
        <address>
          <com:street1>110 N Wacker Drive</com:street1>
          <com:street2>Suite 1900</com:street2>
          <com:city>Chicago</com:city>
          <com:stateOrCountry>IL</com:stateOrCountry>
          <com:zipCode>60606</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1060</noOfUnitsSold>
      <aggregateMarketValue>1000000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>60258342</noOfUnitsOutstanding>
      <approxSaleDate>08/31/2023</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>04/23/1993</acquiredDate>
      <natureOfAcquisitionTransaction>IPO</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1060</amountOfSecuritiesAcquired>
      <paymentDate>04/23/1993</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>08/31/2023</noticeDate>
      <signature>Lawrence P O'Reilly</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
