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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 ILqJIE3Q39GHHUJTb0gwWcAN9g/O3rpVNMOd190w4LIdapU3nJ5BkIaLTXrhGbi+
 N7jw+QvM8Up/DBEU2/J49g==

<SEC-DOCUMENT>0001179110-10-005439.txt : 20100316
<SEC-HEADER>0001179110-10-005439.hdr.sgml : 20100316
<ACCEPTANCE-DATETIME>20100316174508
ACCESSION NUMBER:		0001179110-10-005439
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100315
FILED AS OF DATE:		20100316
DATE AS OF CHANGE:		20100316

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ashour Ayman S
		CENTRAL INDEX KEY:			0001480885

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29440
		FILM NUMBER:		10686771

	MAIL ADDRESS:	
		STREET 1:		ETZELBLICKSTRASSE 1
		CITY:			SCHINDELEGGI
		STATE:			V8
		ZIP:			CH-8834

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SCM MICROSYSTEMS INC
		CENTRAL INDEX KEY:			0001036044
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER PERIPHERAL EQUIPMENT, NEC [3577]
		IRS NUMBER:				770444317
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		466 KATO TERRACE
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94539
		BUSINESS PHONE:		949-250-8888

	MAIL ADDRESS:	
		STREET 1:		1900 CARNEGIE AVENUE
		STREET 2:		BUILDING B
		CITY:			SANTA ANA
		STATE:			CA
		ZIP:			92705
</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>2010-03-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001036044</issuerCik>
        <issuerName>SCM MICROSYSTEMS INC</issuerName>
        <issuerTradingSymbol>INVE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001480885</rptOwnerCik>
            <rptOwnerName>Ashour Ayman S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1900 CARNEGIE AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>BUILDING B</rptOwnerStreet2>
            <rptOwnerCity>SANTA ANA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92705</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>117600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.84</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2003653</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote 2</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Reflects distribution of 240,000 shares of common stock of the Issuer by BH Capital Management AG, a company controlled and owned by Ayman S. Ashour and Mountain Partners AG, to certain individuals in recognition of their efforts in the business combination transaction between the Issuer and Bluehill ID AG, a stock corporation incorporated in Switzerland which closed on January 4, 2010.</footnote>
        <footnote id="F2">Reflects 100% of the shares held by BH Capital management, of which Mr. Ashour owns 49%.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Ayman Ashour</signatureName>
        <signatureDate>2010-03-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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