-----BEGIN PRIVACY-ENHANCED MESSAGE-----
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,
 Anz0/h9Xb1BrRi1j14+QLeD3m/2Rrxwio/e4VKUZSR8C6oTHnJ7xajvBNMxhuxxY
 CIAdigZ25EiwVnnTH1maYA==

<SEC-DOCUMENT>0000939057-10-000239.txt : 20100802
<SEC-HEADER>0000939057-10-000239.hdr.sgml : 20100802
<ACCEPTANCE-DATETIME>20100802164017
ACCESSION NUMBER:		0000939057-10-000239
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100729
FILED AS OF DATE:		20100802
DATE AS OF CHANGE:		20100802

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SHEAFFER PATRICK
		CENTRAL INDEX KEY:			0001214426

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22957
		FILM NUMBER:		10984579

	MAIL ADDRESS:	
		STREET 1:		900 WASHINGTON ST
		STREET 2:		SUITE 900
		CITY:			VANCOUVER
		STATE:			WA
		ZIP:			98660

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RIVERVIEW BANCORP INC
		CENTRAL INDEX KEY:			0001041368
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
		IRS NUMBER:				911838969
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		900 WASHINGTON STREET
		STREET 2:		SUITE 900
		CITY:			VANCOUVER
		STATE:			WA
		ZIP:			98660
		BUSINESS PHONE:		360-693-6650

	MAIL ADDRESS:	
		STREET 1:		900 WASHINGTON STREET
		STREET 2:		SUITE 900
		CITY:			VANCOUVER
		STATE:			WA
		ZIP:			98660
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-07-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001041368</issuerCik>
        <issuerName>RIVERVIEW BANCORP INC</issuerName>
        <issuerTradingSymbol>RVSB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001214426</rptOwnerCik>
            <rptOwnerName>SHEAFFER PATRICK</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>900 WASHINGTON ST</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 900</rptOwnerStreet2>
            <rptOwnerCity>VANCOUVER</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98660</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman/CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-07-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>55555</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.8</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>687284</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 321,549 shares held directly. 13,910 shares held jointly with wife and daughter; 300,059 401K and 51,766 ESOP held indirectly.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Patrick G. Sheaffer</signatureName>
        <signatureDate>2010-07-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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