<SEC-DOCUMENT>0000940394-22-001246-index.html : 20220728
<SEC-HEADER>0000940394-22-001246.hdr.sgml : 20220728
<ACCEPTANCE-DATETIME>20220728164439
ACCESSION NUMBER:		0000940394-22-001246
CONFORMED SUBMISSION TYPE:	POS EX
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20220728
DATE AS OF CHANGE:		20220728
EFFECTIVENESS DATE:		20220728

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Eaton Vance National Municipal Opportunities Trust
		CENTRAL INDEX KEY:			0001454741
		IRS NUMBER:				000000000
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		POS EX
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-265180
		FILM NUMBER:		221115841

	BUSINESS ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-482-8260

	MAIL ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Eaton Vance National Municipal Trust
		DATE OF NAME CHANGE:	20090126
</SEC-HEADER>
<DOCUMENT>
<TYPE>POS EX
<SEQUENCE>1
<FILENAME>eotposex.htm
<DESCRIPTION>NATIONAL MUNICIPAL OPPORTUNITIES TRUST
<TEXT>
Document 1 - file: eotposex.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(L)
<SEQUENCE>2
<FILENAME>exhibitl_ex-99zl.htm
<DESCRIPTION>OPINION OF INTERNAL COUNSEL
<TEXT>
Document 2 - file: exhibitl_ex-99zl.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>exhibitl_101.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: exhibitl_101.jpg

</DOCUMENT>
</SEC-DOCUMENT>