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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 Cp53uL0u01G4NmPYv6Wz2HlkBJJBqCTDH2JIuu2C1WS//RVt6HhKg6eK3XRizHkc
 GqvC100g/ZqnouF/PRGFrQ==

<SEC-DOCUMENT>0001127602-11-002548.txt : 20110127
<SEC-HEADER>0001127602-11-002548.hdr.sgml : 20110127
<ACCEPTANCE-DATETIME>20110127170247
ACCESSION NUMBER:		0001127602-11-002548
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110125
FILED AS OF DATE:		20110127
DATE AS OF CHANGE:		20110127

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sander Mark G
		CENTRAL INDEX KEY:			0001471708

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31343
		FILM NUMBER:		11552845

	MAIL ADDRESS:	
		STREET 1:		1200 HANSEN ROAD
		CITY:			GREEN BAY
		STATE:			WI
		ZIP:			54304

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ASSOCIATED BANC-CORP
		CENTRAL INDEX KEY:			0000007789
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				391098068
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1200 HANSEN ROAD
		CITY:			GREEN BAY
		STATE:			WI
		ZIP:			54304
		BUSINESS PHONE:		920-431-8836

	MAIL ADDRESS:	
		STREET 1:		200 NORTH ADAMS STREET, MS 7829
		CITY:			GREEN BAY
		STATE:			WI
		ZIP:			54301

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ASSOCIATED BANK SERVICES INC
		DATE OF NAME CHANGE:	19770626
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-01-25</periodOfReport>

    <issuer>
        <issuerCik>0000007789</issuerCik>
        <issuerName>ASSOCIATED BANC-CORP</issuerName>
        <issuerTradingSymbol>ASBC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001471708</rptOwnerCik>
            <rptOwnerName>Sander Mark G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1200 HANSEN ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GREEN BAY</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>54304</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Executive Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock $0.01 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2011-01-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>26167</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>79210.477</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Subject to the Issuer's prior repayment of 100% of the aggregate financial assistance it received under the Troubled Asset Relief Program (&quot;TARP&quot;), shares of the restricted stock will vest in three installments: (1) 34% on the first anniversary of the grant date; (2) 33% on the second anniversary of the grant date; and (3) 33% on the third anniversary of the grant date. Notwithstanding the foregoing schedule and subject to the requirements of the TARP, no share of restricted stock will vest based on the above terms unless and until the Reporting Person continuously performs substantial services to the Issuer for two years after its grant date or fails to do so because of his or her death or disability, or a change in control of the Issuer.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Linda Van Camp, power of attorney</signatureName>
        <signatureDate>2011-01-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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