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

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-12-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001143155</issuerCik>
        <issuerName>HAMPTON ROADS BANKSHARES INC</issuerName>
        <issuerTradingSymbol>HMPR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001503163</rptOwnerCik>
            <rptOwnerName>ACMO-HR, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ANCHORAGE CAPITAL GROUP, L.L.C.</rptOwnerStreet1>
            <rptOwnerStreet2>610 BROADWAY, 6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10012</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001300714</rptOwnerCik>
            <rptOwnerName>Anchorage Capital Group, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>610 BROADWAY</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10012</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001300711</rptOwnerCik>
            <rptOwnerName>Anchorage Advisors Management, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>610 BROADWAY</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10012</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001300713</rptOwnerCik>
            <rptOwnerName>Anchorage Capital Master Offshore, Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>610 BROADWAY</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10012</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001300650</rptOwnerCik>
            <rptOwnerName>Davis Anthony Lynn</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>610 BROADWAY</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10012</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001300710</rptOwnerCik>
            <rptOwnerName>Ulrich Kevin Michael</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>610 BROADWAY</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10012</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2010-12-28</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>26830015</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.40</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>179850205</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Warrant</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.40</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-12-28</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>999916</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2010-09-30</value>
            </exerciseDate>
            <expirationDate>
                <value>2020-09-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, par value $0.01 per share</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>999916</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16693620</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4 is being filed with respect to the shares of the Issuer's common stock, par value $0.01 per share (the &quot;Common Shares&quot;), by Anchorage Advisors Management, L.L.C., the sole managing member of Anchorage Capital Group, L.L.C., the investment manager to Anchorage Capital Master Offshore, Ltd., the sole member of ACMO-HR, L.L.C.  Mr. Davis is the President of Anchorage Capital Group, L.L.C. and a managing member of Anchorage Advisors Management, L.L.C.  Mr. Ulrich is the Chief Executive Officer of Anchorage Capital Group, L.L.C. and the other managing member of Anchorage Advisors Management, L.L.C.</footnote>
        <footnote id="F2">The Warrant for the purchase of the Common Shares   (&quot;Warrant Shares&quot;) is held for the account of ACMO-HR, L.L.C.  Under the terms of the Warrant, the number of Warrant Shares shall be automatically increased by the number of Common Shares, if any, by which 2% of the Common Shares outstanding immediately after giving effect to the Second Closing (as defined in the Second Amended and Restated Investment Agreement dated August 11, 2010, by and among the Issuer, Carlyle Global Financial Services Partners, L.P. and ACMO-HR, L.L.C.) (and all other transactions occurring prior to or simultaneously therewith) exceeds 15,693,704.  On December 28, 2010, ACMO-HR, L.L.C. received notice that an adjustment has been made, and is reporting such adjustment on this Form.</footnote>
        <footnote id="F3">Each of the Reporting Persons may be deemed to be a beneficial owner of the Common Shares, the Warrant and the Warrant Shares for purposes of Rule 16a-1(a)(1) under the Securities Exchange Act of 1934 (the &quot;Exchange Act&quot;). Each of the Reporting Persons disclaims beneficial ownership thereof within the meaning of Rule 16a-1(a)(2) under the Exchange Act except to the extent, if any, of its pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>ANCHORAGE ADVISORS MANAGEMENT, L.L.C. By: /s/ Kevin M. Ulrich, Managing Member</signatureName>
        <signatureDate>2010-12-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ANCHORAGE CAPITAL GROUP, L.L.C. By: /s/ Natalie Birrell, Chief Operating Officer</signatureName>
        <signatureDate>2010-12-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ANCHORAGE CAPITAL MASTER OFFSHORE, LTD. By: /s/ Natalie Birrell, Director</signatureName>
        <signatureDate>2010-12-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ACMO-HR, L.L.C. By: Anchorage Capital Master Offshore, Ltd., its sole member By: Anchorage Capital Group, L.L.C., its investment manager By: /s/ Natalie Birrell, Chief Operating Officer</signatureName>
        <signatureDate>2010-12-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Anthony L. Davis</signatureName>
        <signatureDate>2010-12-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Kevin M. Ulrich</signatureName>
        <signatureDate>2010-12-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
