<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-08-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000101830</issuerCik>
        <issuerName>SPRINT CORP</issuerName>
        <issuerTradingSymbol>FON</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001013091</rptOwnerCik>
            <rptOwnerName>SEARS MICHAEL M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>

        <derivativeTransaction>
            <securityTitle>
                <value>Share Units</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2003-08-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1575</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>14.155</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>FON Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1575</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9175</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>

    </derivativeTable>

    <footnotes>
        <footnote id="F1">Share units are issued under the Issuer's Directors' Deferred Fee Plan (the &quot;Plan&quot;) and are convertible into an amount of cash equal to the value of the Issuer's FON common stock upon the reporting person's retirement, death, or termination of office in accordance with the terms of the Plan.</footnote>
        <footnote id="F2">These share units vest 50% on May 13, 2008; and 10% per year on each of May 13, 2009, May 13, 2010, May 13, 2011, May 13, 2012 and May 13, 2013.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Michael T. Hyde  For: Michael M. Sears</signatureName>
        <signatureDate>2003-08-13</signatureDate>
    </ownerSignature>

</ownershipDocument>
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X0201
4
2003-08-11
0
0000101830
SPRINT CORP
FON
0001013091
SEARS MICHAEL M
1
0
0
0
Share Units
2003-08-11
4
A
0
1575
14.155
A
FON Common Stock
1575
9175
D
Share units are issued under the Issuer's Directors' Deferred Fee Plan (the "Plan") and are convertible into an amount of cash equal to the value of the Issuer's FON common stock upon the reporting person's retirement, death, or termination of office in accordance with the terms of the Plan.
These share units vest 50% on May 13, 2008; and 10% per year on each of May 13, 2009, May 13, 2010, May 13, 2011, May 13, 2012 and May 13, 2013.
By: Michael T. Hyde  For: Michael M. Sears
2003-08-13