-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 OlJ6Z0CQ658u6gXvNxIn7j84NOkqO4C3AsKtfRJdUbKveqjLnsEblpi2flXuUj07
 +FdZQDyyiVRJSZe5V4LlNw==

<SEC-DOCUMENT>0001253440-05-000001.txt : 20050127
<SEC-HEADER>0001253440-05-000001.hdr.sgml : 20050127
<ACCEPTANCE-DATETIME>20050127100729
ACCESSION NUMBER:		0001253440-05-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050125
FILED AS OF DATE:		20050127
DATE AS OF CHANGE:		20050127

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VAZQUEZ DEYNES MIGUEL A
		CENTRAL INDEX KEY:			0001253440

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12647
		FILM NUMBER:		05552024

	MAIL ADDRESS:	
		STREET 1:		P O BOX 1885
		CITY:			CAROLINA
		STATE:			PR
		ZIP:			00984

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ORIENTAL FINANCIAL GROUP INC
		CENTRAL INDEX KEY:			0001030469
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				660538893
		STATE OF INCORPORATION:			PR
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		MONACILLOS 1000
		STREET 2:		SAN ROBERTO ST
		CITY:			RIO PIEDRAS
		STATE:			PR
		ZIP:			00926
		BUSINESS PHONE:		7877661986

	MAIL ADDRESS:	
		STREET 1:		MONACILLOS 1000
		STREET 2:		SAN ROBERTO ST
		CITY:			RIO PIEDRAS
		STATE:			PR
		ZIP:			00926
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-01-25</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001030469</issuerCik>
        <issuerName>ORIENTAL FINANCIAL GROUP INC</issuerName>
        <issuerTradingSymbol>ofg</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001253440</rptOwnerCik>
            <rptOwnerName>VAZQUEZ DEYNES MIGUEL A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P O BOX 1885</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CAROLINA</rptOwnerCity>
            <rptOwnerState>PR</rptOwnerState>
            <rptOwnerZipCode>00984</rptOwnerZipCode>
            <rptOwnerStateDescription>PUERTO RICO</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stocks</value>
            </securityTitle>
            <transactionDate>
                <value>2005-01-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28.59</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Miguel A. Vazquez</signatureName>
        <signatureDate>2005-01-27</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----