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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 N78gsp+7CX6bKr1VEYlZ2cB4FkHu1xia+Jw9FTFUfqKTVYBTzAX9tuSzi1jZUZqh
 doTY3UO+TG/c9T8HA+UD1Q==

<SEC-DOCUMENT>0001189897-04-000002.txt : 20040428
<SEC-HEADER>0001189897-04-000002.hdr.sgml : 20040428
<ACCEPTANCE-DATETIME>20040428201011
ACCESSION NUMBER:		0001189897-04-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040428
FILED AS OF DATE:		20040428

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MITCHELL PATRICIA E
		CENTRAL INDEX KEY:			0001189897

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07553
		FILM NUMBER:		04762179

	MAIL ADDRESS:	
		STREET 1:		PUBLIC BROADCASTING SERVICE
		STREET 2:		1320 BRADDOCK PLACE
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22314

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KNIGHT RIDDER INC
		CENTRAL INDEX KEY:			0000205520
		STANDARD INDUSTRIAL CLASSIFICATION:	NEWSPAPERS:  PUBLISHING OR PUBLISHING & PRINTING [2711]
		IRS NUMBER:				380723657
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1227

	BUSINESS ADDRESS:	
		STREET 1:		50 W SAN FERNANDO ST
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95113
		BUSINESS PHONE:		4089387700

	MAIL ADDRESS:	
		STREET 1:		50 W SAN FERNANDO ST
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95113

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KNIGHT RIDDER NEWSPAPERS INC /FL/
		DATE OF NAME CHANGE:	19860707
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-04-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000205520</issuerCik>
        <issuerName>KNIGHT RIDDER INC</issuerName>
        <issuerTradingSymbol>KRIC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001189897</rptOwnerCik>
            <rptOwnerName>MITCHELL PATRICIA E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PUBLIC BROADCASTING SERVICE</rptOwnerStreet1>
            <rptOwnerStreet2>1320 BRADDOCK PLACE</rptOwnerStreet2>
            <rptOwnerCity>ALEXANDRIA</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22314</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2004-04-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>94.162</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>79.65</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1093.1314</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares acquired in payment of director retainer fee, under Compensation Plan for Nonemployee Directors.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Polk Laffoon  For: Patricia Mitchell</signatureName>
        <signatureDate>2004-04-28</signatureDate>
    </ownerSignature>
</ownershipDocument>

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