<SUBMISSION>
<ACCESSION-NUMBER>0001238255-05-000159
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20051114
<FILING-DATE>20051116
<DATE-OF-FILING-DATE-CHANGE>20051116
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>JACK IN THE BOX INC /NEW/
<CIK>0000807882
<ASSIGNED-SIC>5812
<IRS-NUMBER>952698708
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>0930
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>9330 BALBOA AVE
<CITY>SAN DIEGO
<STATE>CA
<ZIP>92123-1516
<PHONE>6195712121
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>9330 BALBOA AVENUE
<CITY>SAN DIEGO
<STATE>CA
<ZIP>92123-1516
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>FOODMAKER INC /DE/
<DATE-CHANGED>19920703
</FORMER-COMPANY>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>TEHLE DAVID M
<CIK>0001245010
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-09390
<FILM-NUMBER>051209321
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>6113 LEMMON AVE
<CITY>DALLAS
<STATE>TX
<ZIP>75209
<PHONE>615-855-4000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>100 MISSION RIDGE
<CITY>GOODLETTSVILLE
<STATE>TN
<ZIP>37072
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-11-14</periodOfReport>

    <issuer>
        <issuerCik>0000807882</issuerCik>
        <issuerName>JACK IN THE BOX INC /NEW/</issuerName>
        <issuerTradingSymbol>JBX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001245010</rptOwnerCik>
            <rptOwnerName>TEHLE DAVID M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9330 BALBOA AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92123</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>NON QUALIFIED STOCK OPTION</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>31.03</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-11-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>31.03</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-05-14</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-11-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8300</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8300</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The stock option becomes exercisable at 100% commencing six months after the date of grant.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>STEPHANIE BRINSFIELD by Power of Attorney for David M. Tehle</signatureName>
        <signatureDate>2005-11-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
