    <SEC-DOCUMENT>0001193125-16-758445-index.html : 20161103
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    <ACCEPTANCE-DATETIME>20161103121444
    ACCESSION NUMBER:		0001193125-16-758445
    CONFORMED SUBMISSION TYPE:	N-CSR
    PUBLIC DOCUMENT COUNT:		20
    CONFORMED PERIOD OF REPORT:	20160831
    FILED AS OF DATE:		20161103
    DATE AS OF CHANGE:		20161103
    EFFECTIVENESS DATE:		20161103

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BLACKROCK FLOATING RATE INCOME STRATEGIES FUND, INC.
    		CENTRAL INDEX KEY:			0001259708
    		IRS NUMBER:				000000000

    	FILING VALUES:
    		FORM TYPE:		N-CSR
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-21413
    		FILM NUMBER:		161970798

    	BUSINESS ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809
    		BUSINESS PHONE:		800-441-7762

    	MAIL ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BLACKROCK FLOATING RATE INCOME STRATEGIES FUND INC
    		DATE OF NAME CHANGE:	20061020

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	FLOATING RATE INCOME STRATEGIES FUND INC
    		DATE OF NAME CHANGE:	20030813
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSR
    <SEQUENCE>1
    <FILENAME>d215401dncsr.htm
    <DESCRIPTION>BLACKROCK FLOATING RATE INCOME STRATEGIES FUND, INC.
    <TEXT>
    Document 1 - file: d215401dncsr.htm

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    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d215401dex99cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
    <TEXT>
    Document 2 - file: d215401dex99cert.htm

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    <DOCUMENT>
    <TYPE>EX-99.906CERT
    <SEQUENCE>3
    <FILENAME>d215401dex99906cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906
    <TEXT>
    Document 3 - file: d215401dex99906cert.htm

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    <TYPE>EX-99.PROXY
    <SEQUENCE>4
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    <DESCRIPTION>CLOSED-END FUND PROXY VOTING POLICY
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    <DESCRIPTION>GRAPHIC
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    <DESCRIPTION>GRAPHIC
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    Document 11 - file: g214516hbb7.jpg

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