<SEC-DOCUMENT>0000940400-18-000410-index.html : 20180525
<SEC-HEADER>0000940400-18-000410.hdr.sgml : 20180525
<ACCEPTANCE-DATETIME>20180525153150
ACCESSION NUMBER:		0000940400-18-000410
CONFORMED SUBMISSION TYPE:	NSAR-B
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20180331
FILED AS OF DATE:		20180525
DATE AS OF CHANGE:		20180525
EFFECTIVENESS DATE:		20180525

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FEDERATED MUNICIPAL BOND FUND INC
		CENTRAL INDEX KEY:			0000201801
		IRS NUMBER:				251304971
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		NSAR-B
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-02677
		FILM NUMBER:		18861422

	BUSINESS ADDRESS:	
		STREET 1:		4000 ERICSSON DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086-7561
		BUSINESS PHONE:		8003417400

	MAIL ADDRESS:	
		STREET 1:		4000 ERICSSON DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086-7561

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FEDERATED MUNICIPAL SECURITIES FUND INC
		DATE OF NAME CHANGE:	19960307

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIBERTY MUNICIPAL SECURITIES FUND INC
		DATE OF NAME CHANGE:	19930517

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FEDERATED TAX FREE INCOME FUND INC
		DATE OF NAME CHANGE:	19920703
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000201801
<SERIES-ID>S000009070
<SERIES-NAME>FEDERATED MUNICIPAL BOND FUND INC
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024642
<CLASS-CONTRACT-NAME>Class A Shares
<CLASS-CONTRACT-TICKER-SYMBOL>LMSFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024643
<CLASS-CONTRACT-NAME>Class B Shares
<CLASS-CONTRACT-TICKER-SYMBOL>LMSBX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024644
<CLASS-CONTRACT-NAME>Class C Shares
<CLASS-CONTRACT-TICKER-SYMBOL>LMSCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000051334
<CLASS-CONTRACT-NAME>Class F Shares
<CLASS-CONTRACT-TICKER-SYMBOL>LMFFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000188105
<CLASS-CONTRACT-NAME>Class T Shares
<CLASS-CONTRACT-TICKER-SYMBOL>LMSTX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000191101
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>LMBIX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>NSAR-B
<SEQUENCE>1
<FILENAME>fmbfanswer.fil
<TEXT>
Document 1 - file: fmbfanswer.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77B ACCT LTTR
<SEQUENCE>2
<FILENAME>FedMBF77B.txt
<TEXT>
Document 2 - file: FedMBF77B.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77I NEW SECUR
<SEQUENCE>3
<FILENAME>FMBF77I.txt
<TEXT>
Document 3 - file: FMBF77I.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77Q1 OTHR EXHB
<SEQUENCE>4
<FILENAME>FMBF77Q1.txt
<TEXT>
Document 4 - file: FMBF77Q1.txt

</DOCUMENT>
</SEC-DOCUMENT>