-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 UwDMWLvsggT6QKSLVGyvhAiPwjvf+rjZkYsBqXeCr26QIONd6GNEFkvCFaQsLIfl
 qAwDEXmvdo0ztmkMYPHIzQ==

<SEC-DOCUMENT>0001179110-03-012837.txt : 20031217
<SEC-HEADER>0001179110-03-012837.hdr.sgml : 20031217
<ACCEPTANCE-DATETIME>20031217145018
ACCESSION NUMBER:		0001179110-03-012837
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031001
FILED AS OF DATE:		20031217

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LYNCH MARTIN
		CENTRAL INDEX KEY:			0001272541

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21203
		FILM NUMBER:		031059830

	BUSINESS ADDRESS:	
		STREET 1:		28 EXECUTIVE PARK
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DIEDRICH COFFEE INC
		CENTRAL INDEX KEY:			0000947661
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-FOOD STORES [5400]
		IRS NUMBER:				330086628
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			0127

	BUSINESS ADDRESS:	
		STREET 1:		2144 MICHELSON DRIVE
		STREET 2:		STE A
		CITY:			IRVINE
		STATE:			CA
		ZIP:			9262682612
		BUSINESS PHONE:		9492601600

	MAIL ADDRESS:	
		STREET 1:		2144 MICHELSON DRIVE
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92612
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 3 -
<TEXT>
<XML>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>3</documentType>
<periodOfReport>2003-10-01</periodOfReport>
    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000947661</issuerCik>
        <issuerName>DIEDRICH COFFEE INC</issuerName>
        <issuerTradingSymbol>DDRX</issuerTradingSymbol>
</issuer>
<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001272541</rptOwnerCik>
            <rptOwnerName>LYNCH MARTIN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>28 EXECUTIVE PARK</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>IRVINE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92614</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector>
<isOfficer>1</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle>CFO</officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable><nonDerivativeHolding><securityTitle><value>No securities owned</value>
</securityTitle>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
<footnoteId id="F1"></footnoteId>
</directOrIndirectOwnership>
</ownershipNature>
</nonDerivativeHolding>
</nonDerivativeTable>
<derivativeTable><derivativeHolding><securityTitle><value>No securities owned</value>
</securityTitle>
<conversionOrExercisePrice><footnoteId id="F1"></footnoteId>
</conversionOrExercisePrice>
<exerciseDate><footnoteId id="F1"></footnoteId>
</exerciseDate>
<expirationDate><footnoteId id="F1"></footnoteId>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>No securities owned</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>0</value>
</underlyingSecurityShares>
</underlyingSecurity>
<ownershipNature><directOrIndirectOwnership><value>D</value>
<footnoteId id="F1"></footnoteId>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeHolding>
</derivativeTable>
<footnotes><footnote id="F1">N/A</footnote>
</footnotes>
<ownerSignature><signatureName>/s/ Martin Lynch</signatureName>
<signatureDate>2003-12-17</signatureDate>
</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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