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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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 24vAebN/BvaV4FYxkIDP5Q==

<SEC-DOCUMENT>0001474746-09-000001.txt : 20091105
<SEC-HEADER>0001474746-09-000001.hdr.sgml : 20091105
<ACCEPTANCE-DATETIME>20091105164751
ACCESSION NUMBER:		0001474746-09-000001
CONFORMED SUBMISSION TYPE:	D
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:		20091105
DATE AS OF CHANGE:		20091105
EFFECTIVENESS DATE:		20091105

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Greylock XIII Limited Partnership
		CENTRAL INDEX KEY:			0001474746
		IRS NUMBER:				271080947
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-135900
		FILM NUMBER:		091161710

	BUSINESS ADDRESS:	
		STREET 1:		2929 CAMPUS DRIVE
		STREET 2:		SUITE 400
		CITY:			SAN MATEO
		STATE:			CA
		ZIP:			94403
		BUSINESS PHONE:		781-622-2200

	MAIL ADDRESS:	
		STREET 1:		2929 CAMPUS DRIVE
		STREET 2:		SUITE 400
		CITY:			SAN MATEO
		STATE:			CA
		ZIP:			94403
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001474746</cik>
        <entityName>Greylock XIII Limited Partnership</entityName>
        <issuerAddress>
            <street1>2929 CAMPUS DRIVE</street1>
            <street2>SUITE 400</street2>
            <city>SAN MATEO</city>
            <stateOrCountry>CA</stateOrCountry>
            <zipCode>94403</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>650-493-5525</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2009</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>LLC</firstName>
                <lastName>Greylock XIII GP</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2929 Campus Drive</street1>
                <street2>Suite 400</street2>
                <city>San Mateo</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94403</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Partner</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Venture Capital Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <revenueRange>Not Applicable</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
            <item>3C</item>
            <item>3C.7</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-11-01</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>512820000</totalOfferingAmount>
            <totalAmountSold>512820000</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>37</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>Net proceeds are expected to be used for working capital, including reimbursement of certain organizational expenses incurred by and the payment of management fees to the GP and its affiliates under the Issuer's Limited Partnership Agreement.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Greylock XIII Limited Partnership</issuerName>
                <signatureName>/s/ Donald A. Sullivan</signatureName>
                <nameOfSigner>Donald A. Sullivan</nameOfSigner>
                <signatureTitle>Authorized Person of the General Partner</signatureTitle>
                <signatureDate>2009-11-05</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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