-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 A39EkkUUkI5oz2Jzq7/ao03/lf5iqfH60V/XxenaZGofUg8QNlbJBCHq4PTm6ZCb
 RU71IGoO2jrnsFUJDdMjdw==

<SEC-DOCUMENT>0001338092-09-000003.txt : 20090312
<SEC-HEADER>0001338092-09-000003.hdr.sgml : 20090312
<ACCEPTANCE-DATETIME>20090312131455
ACCESSION NUMBER:		0001338092-09-000003
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20090312
DATE AS OF CHANGE:		20090312
EFFECTIVENESS DATE:		20090312

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Man-AHL Diversified L P
		CENTRAL INDEX KEY:			0001338092
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-80864
		FILM NUMBER:		09674972

	BUSINESS ADDRESS:	
		STREET 1:		123 N WACKER DR
		STREET 2:		28TH FLOOR
		CITY:			CHIACAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3128816800

	MAIL ADDRESS:	
		STREET 1:		123 N WACKER DR
		STREET 2:		28TH FLOOR
		CITY:			CHIACAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0201</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001338092</cik>
        <entityName>Man-AHL Diversified L P</entityName>
        <issuerAddress>
            <street1>Man Investments (USA) Corp.</street1>
            <street2>123 NORTH WACKER DRIVE, 28TH FLOOR</street2>
            <city>CHIACAGO</city>
            <stateOrCountry>IL</stateOrCountry>
            <zipCode>60606</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>312-881-6800</issuerPhoneNumber>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <jurisdictionOfInc>DE</jurisdictionOfInc>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2005</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>n/a</firstName>
                <middleName></middleName>
                <lastName>Man Investments (USA) Corp.</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>123 North Wacker Drive</street1>
                <street2>28th Floor</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Partner</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Rhowena</firstName>
                <middleName></middleName>
                <lastName>Blank</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Man Investments (USA) Corp.</street1>
                <street2>123 North Wacker Drive, 28th Floor</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Shelley</firstName>
                <middleName></middleName>
                <lastName>Mulconrey</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Man Investments (USA) Corp.</street1>
                <street2>123 North Wacker Drive, 28th Floor</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Alicia</firstName>
                <middleName>Borst</middleName>
                <lastName>Derrah</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Man Investments (USA) Corp.</street1>
                <street2>123 North Wacker Drive, 28th Floor</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Andrew</firstName>
                <middleName></middleName>
                <lastName>Stewart</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Man Investments (USA) Corp.</street1>
                <street2>123 North Wacker Drive, 28th Floor</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Other Investment Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>Decline to Disclose</aggregateNetAssetValueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>9999999997-06-014993</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2006-01-01</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>50000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Man Investments Inc.</recipientName>
                <recipientCRDNumber>15770</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>123 North Wacker Drive</street1>
                    <street2>28th Floor</street2>
                    <city>Chicago</city>
                    <stateOrCountry>IL</stateOrCountry>
                    <zipCode>60606</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>64672046</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>508</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse>The General Partner pays up to 1.25% of the purchase price ongoing quarterly to the selling agent - see Item 12. The current offering commenced prior to 3/15/2009; item 15 reflects the requested information commencing from such date.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Man-AHL Diversified L P</issuerName>
                <signatureName>Andrew Stewart</signatureName>
                <nameOfSigner>Andrew Stewart</nameOfSigner>
                <signatureTitle>President and Chief Executive Officer of the General Partner</signatureTitle>
                <signatureDate>2009-03-12</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----