<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001720273</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001137789</issuerCik>
            <issuerName>SEAGATE TECHNOLOGY PLC</issuerName>
            <secFileNumber>001-31560</secFileNumber>
            <issuerAddress>
                <ns2:street1>38/39 Fitzwilliam Square</ns2:street1>
                <ns2:city>Dublin 2</ns2:city>
                <ns2:stateOrCountry>L2</ns2:stateOrCountry>
                <ns2:zipCode>D02  NX53</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(353) (1) 234-3136</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>JEFFREY D NYGAARD</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Former Executive</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>38th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>8340</noOfUnitsSold>
            <aggregateMarketValue>542202.58</aggregateMarketValue>
            <noOfUnitsOutstanding>207082374</noOfUnitsOutstanding>
            <approxSaleDate>07/31/2023</approxSaleDate>
            <securitiesExchangeName>NASD</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>06/26/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Exercise of options under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>8340</amountOfSecuritiesAcquired>
            <paymentDate>06/26/2023</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>JEFFREY D NYGAARD</name>
                <address>
                    <ns2:street1>38/39 Fitzwilliam Square</ns2:street1>
                    <ns2:city>Dublin 2</ns2:city>
                    <ns2:stateOrCountry>L2</ns2:stateOrCountry>
                    <ns2:zipCode>D02  NX53</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>07/28/2023</saleDate>
            <amountOfSecuritiesSold>8340</amountOfSecuritiesSold>
            <grossProceeds>533778.35</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>JEFFREY D NYGAARD</name>
                <address>
                    <ns2:street1>38/39 Fitzwilliam Square</ns2:street1>
                    <ns2:city>Dublin 2</ns2:city>
                    <ns2:stateOrCountry>L2</ns2:stateOrCountry>
                    <ns2:zipCode>D02  NX53</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>06/26/2023</saleDate>
            <amountOfSecuritiesSold>112480</amountOfSecuritiesSold>
            <grossProceeds>6826726.14</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>07/31/2023</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Jeffrey Donald Nygaard as Trustee</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
[{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4684}]
144
0001720273
XXXXXXXX
LIVE
0001137789
SEAGATE TECHNOLOGY PLC
001-31560
38/39 Fitzwilliam Square
Dublin 2
L2
D02  NX53
(353) (1) 234-3136
JEFFREY D NYGAARD
Former Executive
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
38th Floor
New York
NY
10004
8340
542202.58
207082374
07/31/2023
NASD
Common
06/26/2023
Exercise of options under a registered plan
Issuer
N
8340
06/26/2023
Cash
N
JEFFREY D NYGAARD
38/39 Fitzwilliam Square
Dublin 2
L2
D02  NX53
Common
07/28/2023
8340
533778.35
JEFFREY D NYGAARD
38/39 Fitzwilliam Square
Dublin 2
L2
D02  NX53
Common
06/26/2023
112480
6826726.14
07/31/2023
/s/ Jeffrey Donald Nygaard as Trustee