-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 UXlPSziLGDts4bxqkLMukz+BNc0QdvKrXdZFXf2emM3yxHtOcfVRbXvK4Evmh5ag
 XyAF6AcRM8RRLUpo4ujjYg==

<SEC-DOCUMENT>0001209191-06-059586.txt : 20061115
<SEC-HEADER>0001209191-06-059586.hdr.sgml : 20061115
<ACCEPTANCE-DATETIME>20061115160055
ACCESSION NUMBER:		0001209191-06-059586
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061114
FILED AS OF DATE:		20061115
DATE AS OF CHANGE:		20061115

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:		CNA PLAZA
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60685
		BUSINESS PHONE:		3128225000

	MAIL ADDRESS:	
		STREET 1:		CNA PLAZA
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60685

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			POTTLE THOMAS A
		CENTRAL INDEX KEY:			0001207771

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13277
		FILM NUMBER:		061220011

	MAIL ADDRESS:	
		STREET 1:		CNA SURETY
		STREET 2:		CNA PLAZA 13S
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60685
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c10158-01tp.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-11-14</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001207771</rptOwnerCik>
            <rptOwnerName>POTTLE THOMAS A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>624 POTTAWAMIE TRAIL</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATAVIA</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60510</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>CNA Surety</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2006-11-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>15000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.87</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>45950</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Employee exercised options</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Enid Tanenhaus - POA</signatureName>
        <signatureDate>2006-11-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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