<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2013-12-19</periodOfReport>

    <issuer>
        <issuerCik>0000911421</issuerCik>
        <issuerName>PARTNERRE LTD</issuerName>
        <issuerTradingSymbol>PRE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001311951</rptOwnerCik>
            <rptOwnerName>Hanratty Judith</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>36 SLOANE COURT WEST</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LONDON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
                <footnoteId id="F3"/>
                <footnoteId id="F4"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4089</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Options were exercised on the open market.</footnote>
        <footnote id="F2">Restricted Share Units issued under the PartnerRe Ltd. 2003 Non-Employee Directors Stock Plan.  Restricted Share Units vest immediately but are subject to delivery restrictions.</footnote>
        <footnote id="F3">Restricted Stock Units issued under the PartnerRe Ltd. 2003 Non-Employee Directors Stock Plan.</footnote>
        <footnote id="F4">This transaction (reflecting the grant of Restricted Share Units issued under the PartnerRe Ltd. 2003 Non-Employee Directors Share Plan) was reflected with a $77.22 price in a Form 4 filed on December 3, 2009.  Such form is hereby amended to reflect the grant with a $0 price.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Marc Wetherhill as Attorney-in-Fact for Judith Hanratty</signatureName>
        <signatureDate>2013-12-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
