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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 eEbpEHo9RZz6rZTtxI1/7Q==

<SEC-DOCUMENT>0001242707-10-000007.txt : 20100303
<SEC-HEADER>0001242707-10-000007.hdr.sgml : 20100303
<ACCEPTANCE-DATETIME>20100303162435
ACCESSION NUMBER:		0001242707-10-000007
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
ITEM INFORMATION:		Investment Company Act Section 3(c)
ITEM INFORMATION:		Section 3(c)(7)
FILED AS OF DATE:		20100303
DATE AS OF CHANGE:		20100303
EFFECTIVENESS DATE:		20100303

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LOOMIS SAYLES SENIOR LOAN FUND LLC
		CENTRAL INDEX KEY:			0001297684
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-67489
		FILM NUMBER:		10653722

	BUSINESS ADDRESS:	
		STREET 1:		ONE FINANCIAL CENTER
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02111
		BUSINESS PHONE:		6174822450

	MAIL ADDRESS:	
		STREET 1:		ONE FINANCIAL CENTER
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02111
</SEC-HEADER>
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<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
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        <entityName>LOOMIS SAYLES SENIOR LOAN FUND LLC</entityName>
        <issuerAddress>
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            <city>BOSTON</city>
            <stateOrCountry>MA</stateOrCountry>
            <zipCode>02111</zipCode>
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                <street2>ONE FINANCIAL CENTER</street2>
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                <stateOrCountry>MA</stateOrCountry>
                <zipCode>02111</zipCode>
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                <firstName>MARK</firstName>
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                <lastName>SMITH</lastName>
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                <street1>C/O LOOMIS, SAYLES &amp; COMPANY, L.P.</street1>
                <street2>ONE FINANCIAL CENTER</street2>
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                <firstName>PIERRE</firstName>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
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                <investmentFundType>Hedge Fund</investmentFundType>
                <is40Act>false</is40Act>
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        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>Decline to Disclose</aggregateNetAssetValueRange>
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        <federalExemptionsExclusions>
            <item>06</item>
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        </federalExemptionsExclusions>
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            <newOrAmendment>
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                <previousAccessionNumber>9999999997-09-013920</previousAccessionNumber>
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            <dateOfFirstSale>
                <value>2004-07-01</value>
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        <typesOfSecuritiesOffered>
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        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
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            <totalAmountSold>1464548328</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
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        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
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        <salesCommissionsFindersFees>
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                <signatureName>JEFFREY MEYER</signatureName>
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                <signatureTitle>VICE PRESIDENT</signatureTitle>
                <signatureDate>2010-03-03</signatureDate>
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</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----