<SEC-DOCUMENT>0000940394-21-001098-index.html : 20210722
<SEC-HEADER>0000940394-21-001098.hdr.sgml : 20210722
<ACCEPTANCE-DATETIME>20210722163727
ACCESSION NUMBER:		0000940394-21-001098
CONFORMED SUBMISSION TYPE:	486BPOS
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20210722
DATE AS OF CHANGE:		20210722
EFFECTIVENESS DATE:		20210722

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:		486BPOS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-22269
		FILM NUMBER:		211108027

	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

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:		486BPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-234007
		FILM NUMBER:		211108026

	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
<IS-FILER-A-NEW-REGISTRANT>N
<IS-FILER-A-WELL-KNOWN-SEASONED-ISSUER>N
<FILED-PURSUANT-TO-GENERAL-INSTRUCTION-A2>N
</SEC-HEADER>
<DOCUMENT>
<TYPE>486BPOS
<SEQUENCE>1
<FILENAME>eotpea3final.htm
<DESCRIPTION>EOT PEA #3-8
<TEXT>
Document 1 - file: eotpea3final.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(G)
<SEQUENCE>2
<FILENAME>exhibitg_ex99zg.htm
<DESCRIPTION>INVESTMENT ADVISORY AND ADMINISTRATIVE AGREEMENT
<TEXT>
Document 2 - file: exhibitg_ex99zg.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(L)
<SEQUENCE>3
<FILENAME>exhibitl_ex99zl.htm
<DESCRIPTION>OPINION OF INTERNAL COUNSEL
<TEXT>
Document 3 - file: exhibitl_ex99zl.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(N)
<SEQUENCE>4
<FILENAME>exhibitn_ex99zn.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
<TEXT>
Document 4 - file: exhibitn_ex99zn.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(S)(2)
<SEQUENCE>5
<FILENAME>exhibits2_ex99zs2.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
Document 5 - file: exhibits2_ex99zs2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>eotsupp_101.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: eotsupp_101.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>eotpro_101.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: eotpro_101.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>exhibitl_101.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: exhibitl_101.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>cvrltr_101.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: cvrltr_101.jpg

</DOCUMENT>
</SEC-DOCUMENT>