<?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>0001690609</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0000100885</issuerCik>
            <issuerName>UNION PACIFIC CORPORATION</issuerName>
            <secFileNumber>001-06075</secFileNumber>
            <issuerAddress>
                <ns2:street1>1400 Douglas Street</ns2:street1>
                <ns2:city>Omaha</ns2:city>
                <ns2:stateOrCountry>NE</ns2:stateOrCountry>
                <ns2:zipCode>68179</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(402) 544-5000</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>ELIZABETH WHITED</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</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>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>3553</noOfUnitsSold>
            <aggregateMarketValue>874999.95</aggregateMarketValue>
            <noOfUnitsOutstanding>609197628</noOfUnitsOutstanding>
            <approxSaleDate>07/30/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <acquiredDate>02/08/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>673</amountOfSecuritiesAcquired>
            <paymentDate>02/08/2022</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <acquiredDate>11/24/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Exercised Shares</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2880</amountOfSecuritiesAcquired>
            <paymentDate>11/24/2021</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>07/30/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>04/26/2024</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Elizabeth F Whited</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
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144
0001690609
XXXXXXXX
LIVE
0000100885
UNION PACIFIC CORPORATION
001-06075
1400 Douglas Street
Omaha
NE
68179
(402) 544-5000
ELIZABETH WHITED
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
3553
874999.95
609197628
07/30/2024
NYSE
COMMON
02/08/2022
Restricted Stock
ISSUER
N
673
02/08/2022
Not Applicable
COMMON
11/24/2021
Exercised Shares
ISSUER
N
2880
11/24/2021
Cash
Y
07/30/2024
04/26/2024
/s/ Elizabeth F Whited