-----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,
 L3JUQqjDRG923b0U/EBgQnVUwoDhPdWyDDh+KruwrC8Gp+teIr5Cq2UgQ+I27M3L
 17wrxhEsLIcSDzxCLU/9cQ==

<SEC-DOCUMENT>0001225208-08-009857.txt : 20080603
<SEC-HEADER>0001225208-08-009857.hdr.sgml : 20080603
<ACCEPTANCE-DATETIME>20080603162745
ACCESSION NUMBER:		0001225208-08-009857
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080601
FILED AS OF DATE:		20080603
DATE AS OF CHANGE:		20080603

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:		1601 CHESTNUT STREET
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19192-1550
		BUSINESS PHONE:		2157611000

	MAIL ADDRESS:	
		STREET 1:		TWO LIBERTY PLACE 48TH FLOOR
		STREET 2:		1601 CHESTNUT STREET
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19192

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MARTINEZ ROMAN IV
		CENTRAL INDEX KEY:			0001276303

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08323
		FILM NUMBER:		08877815

	MAIL ADDRESS:	
		STREET 1:		90 OARJ AVE 4TH FLOOR
		STREET 2:		GREENPOINT BANK
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10016
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-06-01</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001276303</rptOwnerCik>
            <rptOwnerName>MARTINEZ ROMAN IV</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TWO LIBERTY PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>1601 CHESTNUT STREET</rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19192</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2008-06-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1506</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>40.6</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, $.25 Par Value</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1506</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>28304</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each phantom stock unit is the economic equivalent of one share of CIGNA common stock and is to be settled in cash.</footnote>
        <footnote id="F2">923 of these phantom stock units represent the mandatory deferral of retainer fees under the Non-Employee Director Compensation Program; the date exercisable is June 1, 2011. Any additional phantom stock units represent the voluntary deferral of retainer fees pursuant to elections made under the Deferred Compensation Plan for Directors of CIGNA Corporation.</footnote>
        <footnote id="F3">Includes 16 phantom stock units acquired pursuant to a dividend reinvestment feature of the Deferred Compensation Plan for Directors of CIGNA Corporation.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By: Lindsay K. Blackwood, attorney-in-fact</signatureName>
        <signatureDate>2008-06-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----