-----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,
 WfRT3JM9ylwyyx8op7IoGbnMZZ9DvFFJ4RowyGtRSSHXpmBfZm3ltkDOPf8Jm3Mt
 fHOVrap1dwjMUCf8OP8rAg==

<SEC-DOCUMENT>0001179110-05-015643.txt : 20050805
<SEC-HEADER>0001179110-05-015643.hdr.sgml : 20050805
<ACCEPTANCE-DATETIME>20050805101554
ACCESSION NUMBER:		0001179110-05-015643
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050803
FILED AS OF DATE:		20050805
DATE AS OF CHANGE:		20050805

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARCTIC CAT INC
		CENTRAL INDEX KEY:			0000719866
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS TRANSPORTATION EQUIPMENT [3790]
		IRS NUMBER:				411443470
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		600 BROOKS AVE SOUTH
		STREET 2:		P O BOX 810
		CITY:			THIEF RIVER FALLS
		STATE:			MN
		ZIP:			56701
		BUSINESS PHONE:		2186818558

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARCTCO INC
		DATE OF NAME CHANGE:	19940224

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BONEV ROBERT
		CENTRAL INDEX KEY:			0001244339

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18607
		FILM NUMBER:		051001231

	BUSINESS ADDRESS:	
		STREET 1:		C/O ARCTIC CAT INC
		STREET 2:		601 BROOKS AVENUE SOUTH
		CITY:			THIEF RIVER FALLS
		STATE:			MN
		ZIP:			56701
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-08-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000719866</issuerCik>
        <issuerName>ARCTIC CAT INC</issuerName>
        <issuerTradingSymbol>ACAT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001244339</rptOwnerCik>
            <rptOwnerName>BONEV ROBERT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>601 BROOKS AVE S</rptOwnerStreet1>
            <rptOwnerStreet2>PO BOX 810</rptOwnerStreet2>
            <rptOwnerCity>THIEF RIVER FALLS</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>56701</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP - Sales &amp; Marketing</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>STOCK OPTIONS</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>21.96</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-08-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>40000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-08-03</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-08-03</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>40000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">VESTS IN 3 EQUAL INSTALLMENTS BEGINNING 8/03/06.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Robert Bonev</signatureName>
        <signatureDate>2005-08-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----