-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 I9kB3nY0npnjTG9aSR5QqUIdlii9pUGO6tDu0jqC7BVBJGetYgtWJP0ueworo1Ot
 S+KNPBMwns3mYlKJOsxuXQ==

<SEC-DOCUMENT>0001448439-08-000004.txt : 20081208
<SEC-HEADER>0001448439-08-000004.hdr.sgml : 20081208
<ACCEPTANCE-DATETIME>20081208131252
ACCESSION NUMBER:		0001448439-08-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081126
FILED AS OF DATE:		20081208
DATE AS OF CHANGE:		20081208

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Rossi Josen
		CENTRAL INDEX KEY:			0001448439

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12647
		FILM NUMBER:		081235326

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		787-653-6300

	MAIL ADDRESS:	
		STREET 1:		O-37 RIDGEWOOD
		STREET 2:		URB. TORRIMAR
		CITY:			GUAYNABO
		STATE:			PR
		ZIP:			00966

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:			1207

	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>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-11-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001448439</rptOwnerCik>
            <rptOwnerName>Rossi Josen</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>O-37 RIDGEWOOD</rptOwnerStreet1>
            <rptOwnerStreet2>URB. TORRIMAR</rptOwnerStreet2>
            <rptOwnerCity>GUAYNABO</rptOwnerCity>
            <rptOwnerState>PR</rptOwnerState>
            <rptOwnerZipCode>00966</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 Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-11-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>31500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.24</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>61300</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Josen Rossi</signatureName>
        <signatureDate>2008-12-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----