<SEC-DOCUMENT>0000899243-18-025697.txt : 20181001
<SEC-HEADER>0000899243-18-025697.hdr.sgml : 20181001
<ACCEPTANCE-DATETIME>20181001182440
ACCESSION NUMBER:		0000899243-18-025697
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181001
FILED AS OF DATE:		20181001
DATE AS OF CHANGE:		20181001

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Beeney Marisa Janel
		CENTRAL INDEX KEY:			0001492490

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-55974
		FILM NUMBER:		181098821

	MAIL ADDRESS:	
		STREET 1:		1290 BROADWAY, SUITE 1100
		CITY:			DENVER
		STATE:			CO
		ZIP:			80203

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Blackstone / GSO Secured Lending Fund
		CENTRAL INDEX KEY:			0001736035
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE

	BUSINESS ADDRESS:	
		STREET 1:		345 PARK AVENUE
		STREET 2:		31ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10154
		BUSINESS PHONE:		212-503-2100

	MAIL ADDRESS:	
		STREET 1:		345 PARK AVENUE
		STREET 2:		31ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10154
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-10-01</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001736035</issuerCik>
        <issuerName>Blackstone / GSO Secured Lending Fund</issuerName>
        <issuerTradingSymbol>NONE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001492490</rptOwnerCik>
            <rptOwnerName>Beeney Marisa Janel</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GSO ASSET MANAGEMENT LLC, 31ST FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2>345 PARK AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10145</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CCO, CLO, Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Marisa J. Beeney, Marisa J. Beeney</signatureName>
        <signatureDate>2018-10-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
