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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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 uomU0MGQQRiohQ4oH4VEZA==

<SEC-DOCUMENT>0001179110-10-016446.txt : 20101122
<SEC-HEADER>0001179110-10-016446.hdr.sgml : 20101122
<ACCEPTANCE-DATETIME>20101122154255
ACCESSION NUMBER:		0001179110-10-016446
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100903
FILED AS OF DATE:		20101122
DATE AS OF CHANGE:		20101122

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ewigleben Donald C.
		CENTRAL INDEX KEY:			0001472014

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33404
		FILM NUMBER:		101208649

	MAIL ADDRESS:	
		STREET 1:		405 STATE HIGHWAY 121 BYPASS
		STREET 2:		BUILDING A, SUITE 110
		CITY:			LEWISVILLE
		STATE:			TX
		ZIP:			75067

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			URANIUM RESOURCES INC /DE/
		CENTRAL INDEX KEY:			0000839470
		STANDARD INDUSTRIAL CLASSIFICATION:	METAL MINING [1000]
		IRS NUMBER:				752212772
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		12750 MERIT DRIVE
		STREET 2:		SUITE 720
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75251
		BUSINESS PHONE:		9723877777

	MAIL ADDRESS:	
		STREET 1:		12750 MERIT DRIVE
		STREET 2:		SUITE 720
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75251
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-09-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000839470</issuerCik>
        <issuerName>URANIUM RESOURCES INC /DE/</issuerName>
        <issuerTradingSymbol>URRE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001472014</rptOwnerCik>
            <rptOwnerName>Ewigleben Donald C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>405 STATE HIGHWAY 121 BYPASS</rptOwnerStreet1>
            <rptOwnerStreet2>BUILDING A, SUITE 110</rptOwnerStreet2>
            <rptOwnerCity>LEWISVILLE</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75067</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO, President and COO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>common Stock par value $0.001 per share (Unrestricted)</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>180000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock $0.001 par value per share (Restricted Shares)</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>200000</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">80,000 of 100,000 shares eligible to vest on 9/3/2010 met the criteria for vesting.  The remaining 20,000 shares did not vest and have been cancelled.</footnote>
        <footnote id="F2">Restricted shares vest at at rate of 100,000 shares on 9/3/2011 and 100,000 shares on 9/3/2012 and are subject to and based upon certain long-term performance criteria.Total unrestricted and restricted URRE share ownership is 380,000.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Donald C. Ewigleben</signatureName>
        <signatureDate>2010-11-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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