<SEC-DOCUMENT>0001206774-17-003338-index.html : 20171206
<SEC-HEADER>0001206774-17-003338.hdr.sgml : 20171206
<ACCEPTANCE-DATETIME>20171206094959
ACCESSION NUMBER:		0001206774-17-003338
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20170930
FILED AS OF DATE:		20171206
DATE AS OF CHANGE:		20171206
EFFECTIVENESS DATE:		20171206

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Delaware Investments National Municipal Income Fund
		CENTRAL INDEX KEY:			0000895574
		IRS NUMBER:				411737161
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0330

	FILING VALUES:
		FORM TYPE:		N-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-07410
		FILM NUMBER:		171241303

	BUSINESS ADDRESS:	
		STREET 1:		ONE COMMERCE SQUARE
		STREET 2:		2005 MARKET STREET
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103
		BUSINESS PHONE:		18005231918

	MAIL ADDRESS:	
		STREET 1:		ONE COMMERCE SQUARE
		STREET 2:		2005 MARKET STREET
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DELAWARE INVESTMENTS FLORIDA INSURED MUNICIPAL INCOME FUND
		DATE OF NAME CHANGE:	20020327

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VOYAGEUR FLORIDA INSURED MUNICIPAL INCOME FUND
		DATE OF NAME CHANGE:	19930519

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VOYAGEUR FLORIDA INSURD MUNICIPAL INCOME FUND
		DATE OF NAME CHANGE:	19930122
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSRS
<SEQUENCE>1
<FILENAME>mimnmif3338885-ncsrs.htm
<DESCRIPTION>CERTIFIED SEMI-ANNUAL SHAREHOLDER REPORT OF REGISTERED MANAGEMENT
<TEXT>
Document 1 - file: mimnmif3338885-ncsrs.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>mimnmif3338885-ex99cert.htm
<DESCRIPTION>CERTIFICATION
<TEXT>
Document 2 - file: mimnmif3338885-ex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>3
<FILENAME>mimnmif3338885-ex99906cert.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
<TEXT>
Document 3 - file: mimnmif3338885-ex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g439062g51x89.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g439062g51x89.jpg

</DOCUMENT>
</SEC-DOCUMENT>