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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-11-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001576018</issuerCik>
        <issuerName>Third Point Reinsurance Ltd.</issuerName>
        <issuerTradingSymbol>TPRE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001583714</rptOwnerCik>
            <rptOwnerName>KIA TP Holdings, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KELSO &amp; COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>320 PARK AVENUE, 24TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001583732</rptOwnerCik>
            <rptOwnerName>KEP TP Holdings, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KELSO &amp; COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>320 PARK AVENUE, 24TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001583741</rptOwnerCik>
            <rptOwnerName>KEP VI (Cayman) GP Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KELSO &amp; COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>320 PARK AVENUE, 24TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001583730</rptOwnerCik>
            <rptOwnerName>Kelso GP VIII (Cayman) Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KELSO &amp; COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>320 PARK AVENUE, 24TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001583729</rptOwnerCik>
            <rptOwnerName>Kelso GP VIII (Cayman), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KELSO &amp; COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>320 PARK AVENUE, 24TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001034431</rptOwnerCik>
            <rptOwnerName>NICKELL FRANK T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KELSO &amp; COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>320 PARK AVENUE, 24TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001034433</rptOwnerCik>
            <rptOwnerName>WALL THOMAS R IV</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KELSO &amp; COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>320 PARK AVENUE, 24TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001034432</rptOwnerCik>
            <rptOwnerName>MATELICH GEORGE E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KELSO &amp; COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>320 PARK AVENUE, 24TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001034434</rptOwnerCik>
            <rptOwnerName>GOLDBERG MICHAEL B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KELSO &amp; COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>320 PARK AVENUE, 24TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001055858</rptOwnerCik>
            <rptOwnerName>WAHRHAFTIG DAVID I</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KELSO &amp; COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>320 PARK AVENUE, 24TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2017-11-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12700401</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.57</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8466934</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2017-11-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2299599</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.57</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1533066</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Securities held directly by KIA TP Holdings, L.P. (&quot;KIA TP&quot;).</footnote>
        <footnote id="F2">Securities held directly by KEP TP Holdings, L.P. (&quot;KEP TP&quot;).</footnote>
        <footnote id="F3">Kelso GP VIII (Cayman) Ltd. (&quot;GP VIII LTD&quot;) is the general partner of Kelso GP VIII (Cayman), L.P. (&quot;GP VIII LP&quot;, and, together with GP VIII LTD and KIA TP, the &quot;KIA Entities&quot;). GP VIII LP is the general partner of KIA TP. KEP VI (Cayman) GP Ltd. (&quot;KEP VI GP LTD&quot;, and, together with KEP TP, the &quot;KEP Entities&quot;) is the general partner of KEP TP. The KIA Entities and the KEP Entities, due to their common control, could be deemed to beneficially own each of the other's securities. Each of the KIA Entities and the KEP Entities disclaims such beneficial ownership and this report shall not be deemed an admission of beneficial ownership of such securities for any purpose.</footnote>
        <footnote id="F4">Each of the KIA Entities, due to their common control, could be deemed to beneficially own each other's securities. GP VIII LTD disclaims beneficial ownership of all of the securities owned of record, or deemed beneficially owned, by each of GP VIII LP and KIA TP, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all the reported securities for any purpose. GP VIII LP disclaims beneficial ownership of all of the securities owned of record, or deemed beneficially owned, by each of GP VIII LTD and KIA TP, except, in the case of KIA TP, to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all the reported securities for any purpose.</footnote>
        <footnote id="F5">KIA TP disclaims beneficial ownership of all of the securities owned of record, or deemed beneficially owned, by each of GP VIII LTD and GP VIII LP, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all the reported securities for any purpose.</footnote>
        <footnote id="F6">Each of the KEP Entities, due to their common control, could be deemed to beneficially own each other's securities. KEP VI GP LTD disclaims beneficial ownership of all of the securities owned of record, or deemed beneficially owned, by KEP TP, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all the reported securities for any purpose. KEP TP disclaims beneficial ownership of all of the securities owned of record, or deemed beneficially owned, by KEP VI GP LTD, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all the reported securities for any purpose.</footnote>
        <footnote id="F7">Frank T. Nickell, Thomas R. Wall, IV, George E. Matelich, Michael B. Goldberg, David I. Wahrhaftig, Frank K. Bynum, Jr., Philip E. Berney, Frank J. Loverro, James J. Connors, II, Church M. Moore, Stanley de J. Osborne, Christopher L. Collins, A. Lynn Alexander, Stephen C. Dutton, Matthew S. Edgerton, John K. Kim, Henry Mannix III and Howard A. Matlin (the &quot;Kelso Individuals&quot;) may be deemed to share beneficial ownership of securities owned of record or beneficially owned by GP VIII LTD, GP VIII LP, KIA TP, KEP VI GP LTD, and KEP TP, by virtue of their status as directors of GP VIII LTD and KEP VI GP LTD, but disclaim beneficial ownership of such securities, except to the extent of their pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Kelso Individuals is the beneficial owner of these securities for any purpose.</footnote>
    </footnotes>

    <remarks>Because an electronically filed joint filing is limited to a maximum of ten reporting persons, this Form 4 is one of three filed today reporting on the same securities by the following joint filers: KIA TP Holdings, L.P.; KEP TP Holdings, L.P.; Kelso GP VIII (Cayman) Ltd.; Kelso GP VIII (Cayman), L.P.; KEP VI (Cayman) GP Ltd.; Frank T. Nickell; Thomas R. Wall, IV; George E. Matelich; Michael B. Goldberg; David I. Wahrhaftig; Frank K. Bynum, Jr.; Philip E. Berney; Frank J. Loverro; James J. Connors, II; Church M. Moore; Stanley de J. Osborne; Christopher L. Collins; A. Lynn Alexander; Stephen C. Dutton; Matthew S. Edgerton; John K. Kim; Henry Mannix III and Howard A. Matlin.</remarks>

    <ownerSignature>
        <signatureName>KIA TP Holdings, L.P. : By: Kelso GP VIII (Cayman), L.P., its general partner; By: Kelso GP VIII (Cayman) Ltd., its general partner; By: /s/ Howard A. Matlin, Director, Vice President and CFO</signatureName>
        <signatureDate>2017-11-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>KEP TP Holdings, L.P. : By: KEP VI (Cayman) GP Ltd., its general partner; By: /s/ Howard A. Matlin, Director, Vice President and Treasurer</signatureName>
        <signatureDate>2017-11-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>KEP VI (Cayman) GP Ltd.: By: /s/ Howard A. Matlin, Director, Vice President and Treasurer</signatureName>
        <signatureDate>2017-11-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Kelso GP VIII (Cayman) Ltd.: By: /s/ Howard A. Matlin, Director, Vice President and CFO</signatureName>
        <signatureDate>2017-11-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Kelso GP VIII (Cayman), L.P.: By: Kelso GP VIII (Cayman) Ltd., its general partner; By: /s/ Howard A. Matlin, Director, Vice President and CFO</signatureName>
        <signatureDate>2017-11-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Howard A. Matlin, Attorney-in-Fact for Frank T. Nickell</signatureName>
        <signatureDate>2017-11-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Howard A. Matlin, Attorney-in-Fact for Thomas R. Wall, IV</signatureName>
        <signatureDate>2017-11-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Howard A. Matlin, Attorney-in-Fact for George E. Matelich</signatureName>
        <signatureDate>2017-11-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Howard A. Matlin, Attorney-in-Fact for Michael B. Goldberg</signatureName>
        <signatureDate>2017-11-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Howard A. Matlin, Attorney-in-Fact for David I. Wahrhaftig</signatureName>
        <signatureDate>2017-11-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
