<?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>0001353825</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001327567</issuerCik>
            <issuerName>PALO ALTO NETWORKS INC</issuerName>
            <secFileNumber>001-35594</secFileNumber>
            <issuerAddress>
                <ns2:street1>3000 Tannery Way</ns2:street1>
                <ns2:city>Santa Clara</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>95054</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(408)753-4000</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>SRJ NORWAY II PARTNERS, LP</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</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 Fl.</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>10836</noOfUnitsSold>
            <aggregateMarketValue>3137022.00</aggregateMarketValue>
            <noOfUnitsOutstanding>315300000</noOfUnitsOutstanding>
            <approxSaleDate>01/09/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>03/11/2016</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>10836</amountOfSecuritiesAcquired>
            <paymentDate>03/11/2016</paymentDate>
            <natureOfPayment>N/A</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for THE DOOVAN FAMILY LIVING TRUSTU/A DTD 09/28/2012</name>
                <address>
                    <ns2:street1>3000 Tannery Way</ns2:street1>
                    <ns2:city>Santa Clara</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95054</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>01/08/2024</saleDate>
            <amountOfSecuritiesSold>11468</amountOfSecuritiesSold>
            <grossProceeds>3309725.21</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for SRJ NORWAY II PARTNERS, LP</name>
                <address>
                    <ns2:street1>3000 Tannery Way</ns2:street1>
                    <ns2:city>Santa Clara</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95054</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>01/08/2024</saleDate>
            <amountOfSecuritiesSold>8668</amountOfSecuritiesSold>
            <grossProceeds>2500830.01</grossProceeds>
        </securitiesSoldInPast3Months>
        <remarks>The securities to be sold were acquired upon the vesting of restricted stock units during the period of 03/12/2015 through 03/11/2016.
</remarks>
        <noticeSignature>
            <noticeDate>01/09/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>10/08/2023</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ John Donovan</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
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144
0001353825
XXXXXXXX
LIVE
0001327567
PALO ALTO NETWORKS INC
001-35594
3000 Tannery Way
Santa Clara
CA
95054
(408)753-4000
SRJ NORWAY II PARTNERS, LP
Director
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
38th Fl.
New York
NY
10004
10836
3137022.00
315300000
01/09/2024
NASDAQ
Common
03/11/2016
Restricted Stock Units
Issuer
N
10836
03/11/2016
N/A
N
10b5-1 Sales for THE DOOVAN FAMILY LIVING TRUSTU/A DTD 09/28/2012
3000 Tannery Way
Santa Clara
CA
95054
Common
01/08/2024
11468
3309725.21
10b5-1 Sales for SRJ NORWAY II PARTNERS, LP
3000 Tannery Way
Santa Clara
CA
95054
Common
01/08/2024
8668
2500830.01
The securities to be sold were acquired upon the vesting of restricted stock units during the period of 03/12/2015 through 03/11/2016.
01/09/2024
10/08/2023
/s/ John Donovan