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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QZbOyilu2RIFgkmZJaowTua4rI3OVskoKTH6D8LW3YPKigt3fZmnm6DXzZuLWjTv
 JuMSpRNtO/G+O7m96jfkVA==

<SEC-DOCUMENT>0001209191-09-007629.txt : 20090210
<SEC-HEADER>0001209191-09-007629.hdr.sgml : 20090210
<ACCEPTANCE-DATETIME>20090210070120
ACCESSION NUMBER:		0001209191-09-007629
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090131
FILED AS OF DATE:		20090210
DATE AS OF CHANGE:		20090210

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EATON VANCE NATIONAL MUNICIPAL INCOME TRUST
		CENTRAL INDEX KEY:			0001074684
		IRS NUMBER:				046880056

	BUSINESS ADDRESS:	
		STREET 1:		THE EATON VANCE BUILDING
		STREET 2:		255 STATE STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		617-598-8880

	MAIL ADDRESS:	
		STREET 1:		THE EATON VANCE BUILDING
		STREET 2:		255 STATE STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EATON VANCE FLORIDA PLUS MUNICIPAL INCOME TRUST
		DATE OF NAME CHANGE:	20080102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EATON VANCE FLORIDA MUNICIPAL INCOME TRUST
		DATE OF NAME CHANGE:	19981209

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			UBS AG
		CENTRAL INDEX KEY:			0001114446
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-09143
		FILM NUMBER:		09582960

	BUSINESS ADDRESS:	
		STREET 1:		BAHNHOFSTRASSE 45
		STREET 2:		P O BOX CH 8098
		CITY:			ZURICH
		STATE:			V8
		ZIP:			-
		BUSINESS PHONE:		41-1-234-4100

	MAIL ADDRESS:	
		STREET 1:		BAHNHOFSTRASSE 45
		STREET 2:		P O BOX CH 8098
		CITY:			ZURICH
		STATE:			V8
		ZIP:			-
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>c80279_3x0.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2009-01-31</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001074684</issuerCik>
        <issuerName>EATON VANCE NATIONAL MUNICIPAL INCOME TRUST</issuerName>
        <issuerTradingSymbol>FEV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001114446</rptOwnerCik>
            <rptOwnerName>UBS AG</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>BAHNHOFSTRASSE 45</rptOwnerStreet1>
            <rptOwnerStreet2>PO BOX CH-8021</rptOwnerStreet2>
            <rptOwnerCity>ZURICH</rptOwnerCity>
            <rptOwnerState>V8</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription>SWITZERLAND</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Auction Preferred Stock (CUSIP No[s]. 27826B209 )</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>419</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By subsidiary - see footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This Statement is filed by UBS AG for the benefit and on behalf of UBS Securities LLC and UBS Financial Services Inc., two-wholly owned subsidiaries of UBS AG to which UBS AG has delegated portions of its performance obligations with respect to the Auction Rate Securities Rights issued by UBS AG to certain clients and pursuant to which the securities reported herein have been purchased from such clients.</footnote>
        <footnote id="F2">Pursuant to the Global Relief Letter referred to below, this filing reports holdings of the Series of Auction Preferred Stock identified in Item 1 of this Table I on an aggregated basis.</footnote>
    </footnotes>

    <remarks>The Shares reported herein represent UBS AG's combined holdings in multiple series of auction preferred securities of the issuer, which
are treated herein as one class of securities in accordance with the Auction Rate Securities -- Global Exemptive Relief letter (&quot;Global
Relief Letter&quot;) issued by the staff of the Securities and Exchange Commission (SEC) on September 22, 2008.  UBS AG
undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, complete information regarding
the number of securities identified in Table I purchased and sold at each different price and date for the period between the date
on which beneficial ownership exceeded ten percent and January 31, 2009, as required by the Global Relief Letter.</remarks>

    <ownerSignature>
        <signatureName>/s/ Anthony DeFilippis</signatureName>
        <signatureDate>2009-02-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Joseph Gallichio</signatureName>
        <signatureDate>2009-02-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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