<SUBMISSION>
<ACCESSION-NUMBER>0000354647-06-000027
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20060313
<FILING-DATE>20060314
<DATE-OF-FILING-DATE-CHANGE>20060314
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>CVB FINANCIAL CORP
<CIK>0000354647
<ASSIGNED-SIC>6022
<IRS-NUMBER>953629339
<STATE-OF-INCORPORATION>CA
<FISCAL-YEAR-END>1206
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>701 N HAVEN AVE STE 350
<CITY>ONTARIO
<STATE>CA
<ZIP>91764
<PHONE>9099804030
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>701 N HAVEN AVENUE
<CITY>ONTARIO
<STATE>CA
<ZIP>91764
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>WILEY D LINN
<CIK>0001208201
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-10140
<FILM-NUMBER>06685696
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>701 NORTH HAVEN AVENUE
<STREET2>SUITE 350
<CITY>ONTARIO
<STATE>CA
<ZIP>91764
<PHONE>9099804030
</BUSINESS-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wiley03132006_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-03-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000354647</issuerCik>
        <issuerName>CVB FINANCIAL CORP</issuerName>
        <issuerTradingSymbol>CVBF</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001208201</rptOwnerCik>
            <rptOwnerName>WILEY D LINN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle>CEO &amp; President</officerTitle>
            <otherText>Subsidiary/Citizens Bus Bank</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-03-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>58440</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>16.56</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>670415</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <remarks>Shares have been adjusted for all previously declared stock splits/dividends declared by CVB Financial Corp.</remarks>

    <ownerSignature>
        <signatureName>D. Linn Wiley</signatureName>
        <signatureDate>2006-03-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
