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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 HR6QYGpu3ydVDkxxF3z0eQ9450KGzjNAbVQpxjJIyaMt1mTQ+lrUfIYerJ2FMkN6
 IJuoqqq7SetBYYhOx6eC6w==

<SEC-DOCUMENT>0001209191-11-011853.txt : 20110223
<SEC-HEADER>0001209191-11-011853.hdr.sgml : 20110223
<ACCEPTANCE-DATETIME>20110223122958
ACCESSION NUMBER:		0001209191-11-011853
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100205
FILED AS OF DATE:		20110223
DATE AS OF CHANGE:		20110223

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Quinn Rosemary
		CENTRAL INDEX KEY:			0001432603

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13277
		FILM NUMBER:		11631314

	MAIL ADDRESS:	
		STREET 1:		333 S. WABASH - 41 FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60604

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CNA SURETY CORP
		CENTRAL INDEX KEY:			0001044566
		STANDARD INDUSTRIAL CLASSIFICATION:	SURETY INSURANCE [6351]
		IRS NUMBER:				344144905
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		333 S. WABASH AVENUE
		STREET 2:		41ST FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60604
		BUSINESS PHONE:		3128225000

	MAIL ADDRESS:	
		STREET 1:		333 S. WABASH AVENUE
		STREET 2:		41ST FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60604
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c13102_4x0.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-02-05</periodOfReport>

    <issuer>
        <issuerCik>0001044566</issuerCik>
        <issuerName>CNA SURETY CORP</issuerName>
        <issuerTradingSymbol>SUR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001432603</rptOwnerCik>
            <rptOwnerName>Quinn Rosemary</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5507 ST. ALBANS WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BALTIMORE</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21212</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP &amp; General Counsel</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>CNA Surety Common Stock Option</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>14.32</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-02-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2011-02-05</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2020-02-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4600</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13280</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Form 4 filed for this reporting person on February 8, 2010 incorrectly reported 4,500 shares of derivative shares granted on February 5, 2010.  The number of derivative shares granted  to this reporting person on February 5, 2010 was 4,600.  No other information reported on February 8, 2010 requires amendment.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Rosemary Quinn - POA</signatureName>
        <signatureDate>2011-02-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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