-----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,
 POAkZIy46B26jBSB48ZFpTcjCLZ2av8pCquGN8Wdzyfnr87naeCPxQKGxiaWMzrY
 LZx5ztfl+tMkbNqIVfx77A==

<SEC-DOCUMENT>0000707605-09-000084.txt : 20090420
<SEC-HEADER>0000707605-09-000084.hdr.sgml : 20090420
<ACCEPTANCE-DATETIME>20090420154753
ACCESSION NUMBER:		0000707605-09-000084
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090415
FILED AS OF DATE:		20090420
DATE AS OF CHANGE:		20090420

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WISE ROBERT L
		CENTRAL INDEX KEY:			0001180702

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11204
		FILM NUMBER:		09759169

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERISERV FINANCIAL INC /PA/
		CENTRAL INDEX KEY:			0000707605
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				251424278
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		MAIN & FRANKLIN STS
		STREET 2:		PO BOX 430
		CITY:			JOHNSTOWN
		STATE:			PA
		ZIP:			15907
		BUSINESS PHONE:		8145335300

	MAIL ADDRESS:	
		STREET 1:		MAIN & FRANKLIN STS
		STREET 2:		PO BOX 430
		CITY:			JOHNSTOWN
		STATE:			PA
		ZIP:			15907
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-04-15</periodOfReport>

    <issuer>
        <issuerCik>0000707605</issuerCik>
        <issuerName>AMERISERV FINANCIAL INC /PA/</issuerName>
        <issuerTradingSymbol>ASRV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001180702</rptOwnerCik>
            <rptOwnerName>WISE ROBERT L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common</value>
            </securityTitle>
            <transactionDate>
                <value>2009-04-15</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2009-04-20</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>714.2464</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.8201</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>66402.5223</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Sharon M. Callihan, Attorney-in-Fact</signatureName>
        <signatureDate>2009-04-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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