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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 HLmWEAuwurv0UhsGJ3DHTVKPBlgbX/lhyzMZpvAmfk1G9GvKe9Zp0QHrtwhoMjk6
 Htu8WaWu0p4CvOFe11YKUQ==

<SEC-DOCUMENT>0000230557-03-000084.txt : 20031003
<SEC-HEADER>0000230557-03-000084.hdr.sgml : 20031003
<ACCEPTANCE-DATETIME>20031003111414
ACCESSION NUMBER:		0000230557-03-000084
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031001
FILED AS OF DATE:		20031003

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			THEBAULT J BRIAN
		CENTRAL INDEX KEY:			0001208243

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-08641
		FILM NUMBER:		03926724

	MAIL ADDRESS:	
		STREET 1:		40 WANTAGE AVE
		CITY:			BRANCHVILLE
		STATE:			NJ
		ZIP:			07890

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SELECTIVE INSURANCE GROUP INC
		CENTRAL INDEX KEY:			0000230557
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				222168890
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		40 WANTAGE AVENUE
		CITY:			BRANCHVILLE
		STATE:			NJ
		ZIP:			07890
		BUSINESS PHONE:		2019483000

	MAIL ADDRESS:	
		STREET 1:		40 WANTAGE AVE
		STREET 2:		40 WANTAGE AVE
		CITY:			BRANCHVILLE
		STATE:			NJ
		ZIP:			07890

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SRI CORP
		DATE OF NAME CHANGE:	19860508
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001208243d20031002f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-10-01</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000230557</issuerCik><issuerName>SELECTIVE INSURANCE GROUP INC</issuerName>        <issuerTradingSymbol>SIGI</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001208243</rptOwnerCik><rptOwnerName>THEBAULT J BRIAN</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>40 WANTAGE AVENUE</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>BRANCHVILLE</rptOwnerCity><rptOwnerState>NJ</rptOwnerState><rptOwnerZipCode>07890</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativ
eTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-10-01</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>314</value></transactionShares><transactionPricePerShare><value>30.29</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>17102.506</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeTransaction><non
DerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>100</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Custody for Son</value></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>100</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Custody for Daughter</value></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable></derivativeTable><footnotes><footnote id="F1">Includes 7.193 shares acquired through Selective's Dividend Reinvestment Plan.</footnote></footnotes><ownerSignat
ure><signatureName>J. Brian  Thebault</signatureName><signatureDate>2003-10-02</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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