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>0001554099</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000076334</issuerCik>
        <issuerName>Parker Hannifin</issuerName>
        <secFileNumber>001-04982</secFileNumber>
        <issuerAddress>
          <com:street1>6035 Parkland Blvd</com:street1>
          <com:city>cleveland oh</com:city>
          <com:stateOrCountry>OH</com:stateOrCountry>
          <com:zipCode>44124</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>2168963000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Ross Andrew D</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>kestra</name>
          <address>
            <com:street1>5707 SW pkwy bldg 2</com:street1>
            <com:street2>ste 400</com:street2>
            <com:city>austin</com:city>
            <com:stateOrCountry>TX</com:stateOrCountry>
            <com:zipCode>78735</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>3914</noOfUnitsSold>
        <aggregateMarketValue>1350330.00</aggregateMarketValue>
        <noOfUnitsOutstanding>128410000</noOfUnitsOutstanding>
        <approxSaleDate>06/07/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>common</securitiesClassTitle>
        <acquiredDate>04/27/2022</acquiredDate>
        <natureOfAcquisitionTransaction>stock award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Parker hannifin</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3914</amountOfSecuritiesAcquired>
        <paymentDate>04/27/2022</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>06/07/2023</noticeDate>
        <signature>Jason Coleman as a duly authorized representative of National Financial Services LLC, as attorney-in-fact for Andrew Ross</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001554099
  XXXXXXXX
  LIVE
  0000076334
  Parker Hannifin
  001-04982
  6035 Parkland Blvd
  cleveland oh
  OH
  44124
  2168963000
  Ross Andrew D
  Officer
  common
  kestra
  5707 SW pkwy bldg 2
  ste 400
  austin
  TX
  78735
  3914
  1350330.00
  128410000
  06/07/2023
  NYSE
  common
  04/27/2022
  stock award
  Parker hannifin
  N
  3914
  04/27/2022
  Compensation
  Y
  06/07/2023
  Jason Coleman as a duly authorized representative of National Financial Services LLC, as attorney-in-fact for Andrew Ross