-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AEQ0u6FmtaC6OinqTvnNnan6SjtOALBfj0Ay7UQVp1QhL7HOJUNGL+BA+PRpusuT
 fZzmx6QSGzYr+v+X8SkVCQ==

<SEC-DOCUMENT>0001225208-06-001326.txt : 20060224
<SEC-HEADER>0001225208-06-001326.hdr.sgml : 20060224
<ACCEPTANCE-DATETIME>20060224182050
ACCESSION NUMBER:		0001225208-06-001326
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060222
FILED AS OF DATE:		20060224
DATE AS OF CHANGE:		20060224

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MURABITO JOHN M
		CENTRAL INDEX KEY:			0001126222
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08323
		FILM NUMBER:		06644556

	BUSINESS ADDRESS:	
		STREET 1:		800 NORTH LINDBERG BOULEVARD
		STREET 2:		MAIL STOP E2ND
		CITY:			ST. LOUIS
		STATE:			MO
		ZIP:			63167
		BUSINESS PHONE:		3146944296

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CIGNA CORP
		CENTRAL INDEX KEY:			0000701221
		STANDARD INDUSTRIAL CLASSIFICATION:	HOSPITAL & MEDICAL SERVICE PLANS [6324]
		IRS NUMBER:				061059331
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE LIBERTY PLACE
		STREET 2:		1650 MARKET STREET
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19192-1550
		BUSINESS PHONE:		2157611000

	MAIL ADDRESS:	
		STREET 1:		TWO LIBERTY PLACE 48TH FLOOR
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19192
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-02-22</periodOfReport>

    <issuer>
        <issuerCik>0000701221</issuerCik>
        <issuerName>CIGNA CORP</issuerName>
        <issuerTradingSymbol>CI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001126222</rptOwnerCik>
            <rptOwnerName>MURABITO JOHN M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1601 CHESTNUT STREET</rptOwnerStreet1>
            <rptOwnerStreet2>TWO LIBERTY PLACE</rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode>19192</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>EVP, HR &amp; Services</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>121.7</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-02-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>9120</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2007-02-22</value>
            </exerciseDate>
            <expirationDate>
                <value>2016-02-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, $.25 Par Value</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9120</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9120</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This option vests in three equal installments beginning 2/22/2007.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Carol J. Ward on behalf of</signatureName>
        <signatureDate>2006-02-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----