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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
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 xnxeS77vzA3kFr0uwwwXtQ==

<SEC-DOCUMENT>0000793547-04-000038.txt : 20040917
<SEC-HEADER>0000793547-04-000038.hdr.sgml : 20040917
<ACCEPTANCE-DATETIME>20040917112655
ACCESSION NUMBER:		0000793547-04-000038
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040909
FILED AS OF DATE:		20040917
DATE AS OF CHANGE:		20040917

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Blakeney H J Mervyn
		CENTRAL INDEX KEY:			0001303292

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15886
		FILM NUMBER:		041035157

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		011 44 207 823 9625

	MAIL ADDRESS:	
		STREET 1:		20 RAWLINGS STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			SW3 2LS

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NAVIGATORS GROUP INC
		CENTRAL INDEX KEY:			0000793547
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				133138397
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE PENN PLAZA
		STREET 2:		55TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10119
		BUSINESS PHONE:		2122442333

	MAIL ADDRESS:	
		STREET 1:		ONE PENN PLAZA 55TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10119
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>hjmblakeneyform3_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2004-09-09</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000793547</issuerCik>
        <issuerName>NAVIGATORS GROUP INC</issuerName>
        <issuerTradingSymbol>NAVG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001303292</rptOwnerCik>
            <rptOwnerName>Blakeney H J Mervyn</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>20 RAWLINGS STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LONDON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>SW3 2LS</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>H J Mervyn Blakeney</signatureName>
        <signatureDate>2004-09-17</signatureDate>
    </ownerSignature>
</ownershipDocument>

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