-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 JvU5wPJiYun2jepRxiliazxWNmCYhQuinbx2yJOFmXza+SmOU6vUMlPxfZ0x87xf
 SVonsOwdUh5OepeTgthUBA==

<SEC-DOCUMENT>0001179110-06-009533.txt : 20060501
<SEC-HEADER>0001179110-06-009533.hdr.sgml : 20060501
<ACCEPTANCE-DATETIME>20060501092526
ACCESSION NUMBER:		0001179110-06-009533
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060427
FILED AS OF DATE:		20060501
DATE AS OF CHANGE:		20060501

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VELASCO GERMAN LARREA MOTA
		CENTRAL INDEX KEY:			0001223260

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14066
		FILM NUMBER:		06792536

	BUSINESS ADDRESS:	
		STREET 1:		BAJA CALIFORNIA 200
		CITY:			MEXICO
		STATE:			A1
		ZIP:			00000

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SOUTHERN COPPER CORP/
		CENTRAL INDEX KEY:			0001001838
		STANDARD INDUSTRIAL CLASSIFICATION:	METAL MINING [1000]
		IRS NUMBER:				133849074
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2575 EAST CAMELBACK ROAD, SUITE 500
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85016
		BUSINESS PHONE:		(602) 977-6595

	MAIL ADDRESS:	
		STREET 1:		2575 EAST CAMELBACK ROAD, SUITE 500
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85016

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SOUTHERN PERU COPPER CORP/
		DATE OF NAME CHANGE:	19960726

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SOUTHERN PERU COPPER HOLDING CO
		DATE OF NAME CHANGE:	19951006
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-04-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001001838</issuerCik>
        <issuerName>SOUTHERN COPPER CORP/</issuerName>
        <issuerTradingSymbol>PCU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001223260</rptOwnerCik>
            <rptOwnerName>VELASCO GERMAN LARREA MOTA</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SOUTHERN COPPER CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>2575 E. CAMELBACK RD., SUITE 500</rptOwnerStreet2>
            <rptOwnerCity>PHOENIX</rptOwnerCity>
            <rptOwnerState>AZ</rptOwnerState>
            <rptOwnerZipCode>85016</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman of the Board</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-04-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1600</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Received pursuant to Issuer's Directors' Stock Award Plan for service as a director - exempt transaction under Rule 16b-3(d).</footnote>
        <footnote id="F2">N/A</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>German Larrea Mota-Velasco by his Attorney-In-Fact Susana D. Delanney</signatureName>
        <signatureDate>2006-04-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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