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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 C12cXH5ng/UyWx7MdQZwBJP19bOR93fLbkKXVrjGJjCN68P+qHZ8x+d5MqGEo4Sw
 OkZUonamEgbX/eeWLckV7A==

<SEC-DOCUMENT>0001127602-11-001138.txt : 20110106
<SEC-HEADER>0001127602-11-001138.hdr.sgml : 20110106
<ACCEPTANCE-DATETIME>20110106124049
ACCESSION NUMBER:		0001127602-11-001138
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110103
FILED AS OF DATE:		20110106
DATE AS OF CHANGE:		20110106

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FLYNN PHILIP B
		CENTRAL INDEX KEY:			0001186352

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31343
		FILM NUMBER:		11513421

	MAIL ADDRESS:	
		STREET 1:		C/O ASSOCIATED BANC-CORP
		STREET 2:		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>2011-01-03</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001186352</rptOwnerCik>
            <rptOwnerName>FLYNN PHILIP B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ASSOCIATED BANC-CORP</rptOwnerStreet1>
            <rptOwnerStreet2>1200 HANSEN ROAD</rptOwnerStreet2>
            <rptOwnerCity>GREEN BAY</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>54304</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <officerTitle>President &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock $0.01 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2011-01-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>78125</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>294043</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares of restricted stock will vest:  25% at the time the Issuer repays 25% of the aggregate financial assistance received by the Issuer under the Troubled Asset Relief Program (&quot;TARP&quot;); an additional 25% at the time Issuer repays 50% of the aggregate financial assistance received by the Issuer under TARP; an additional 25% at the time Issuer repays 75% of the aggregate financial assistance received by the Issuer under TARP; and the remaining 25% at the time the Issuer repays 100% of the aggregate financial assistance received by the Issuer under TARP.  Notwithstanding the foregoing schedule and subject to the requirements of TARP, no award of restricted stock will vest in accordance with the above schedule if the Reporting Person does not continue to perform substantial services to the Issuer for at least two years after the date on which such award of restricted stock is granted other than because of his death or disability, or a change in control of the Issuer.</footno
te>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Linda Van Camp, power of attorney</signatureName>
        <signatureDate>2011-01-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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