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

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-05-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000733269</issuerCik>
        <issuerName>ACXIOM CORP</issuerName>
        <issuerTradingSymbol>ACXM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001282225</rptOwnerCik>
            <rptOwnerName>ADAMS JOHN A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ACXIOM CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>601 E. THIRD STREET</rptOwnerStreet2>
            <rptOwnerCity>LITTLE ROCK</rptOwnerCity>
            <rptOwnerState>AR</rptOwnerState>
            <rptOwnerZipCode>72201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Operating Officer &amp;</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.10 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2010-05-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>18867</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>130730</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.10 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2010-05-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>25156</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>155886</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-Qualified Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>17.79</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-05-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>33333</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2020-05-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, $.10 Par Value</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>33333</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>33333</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This is a grant of restricted stock units.  Each restricted stock unit represents a contingent right to receive one share of the registrant's common stock.  Vesting will begin on May 18, 2011 with 25% of the total becoming vested on that date and 25% each 12 months thereafter until 100% vested, contingent upon the reporting person's continued employment with the registrant.</footnote>
        <footnote id="F2">This is a grant of performance units.  Each performance unit represents a contingent right to receive one share of the registrant's common stock.  Vesting will occur subsequent to the attainment of certain performance criteria approved by the Compensation Committee of the registrant's Board of Directors for the performance period ending March 31, 2013, contingent upon the reporting person's continued employment with the registrant.</footnote>
        <footnote id="F3">This non-qualified stock option vests incrementally over four years beginning May 18, 2011, with 25% of the total becoming vested on that date and 25% each 12 months thereafter until 100% vested.  The option expires 10 years from the date of grant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Catherine L. Hughes, Attorney-in-Fact  For: John A. Adams</signatureName>
        <signatureDate>2010-05-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0303
4
2010-05-18
0
0000733269
ACXIOM CORP
ACXM
0001282225
ADAMS JOHN A
ACXIOM CORPORATION
601 E. THIRD STREET
LITTLE ROCK
AR
72201
0
1
0
0
Chief Operating Officer &
Common Stock, $.10 Par Value
2010-05-18
4
A
0
18867
0
A
130730
D
Common Stock, $.10 Par Value
2010-05-18
4
A
0
25156
0
A
155886
D
Non-Qualified Stock Option (right to buy)
17.79
2010-05-18
4
A
0
33333
0
A
2020-05-18
Common Stock, $.10 Par Value
33333
33333
D
This is a grant of restricted stock units.  Each restricted stock unit represents a contingent right to receive one share of the registrant's common stock.  Vesting will begin on May 18, 2011 with 25% of the total becoming vested on that date and 25% each 12 months thereafter until 100% vested, contingent upon the reporting person's continued employment with the registrant.
This is a grant of performance units.  Each performance unit represents a contingent right to receive one share of the registrant's common stock.  Vesting will occur subsequent to the attainment of certain performance criteria approved by the Compensation Committee of the registrant's Board of Directors for the performance period ending March 31, 2013, contingent upon the reporting person's continued employment with the registrant.
This non-qualified stock option vests incrementally over four years beginning May 18, 2011, with 25% of the total becoming vested on that date and 25% each 12 months thereafter until 100% vested.  The option expires 10 years from the date of grant.
By: Catherine L. Hughes, Attorney-in-Fact  For: John A. Adams
2010-05-20