-----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,
 EvIcol283UC3hy8Bsv3fETO9T6JkhecwhPvtNbs260rsZT4GXD0D5fuAiffHtHhk
 TNKzeR/Iv7YhViWT3HBJJw==

<SEC-DOCUMENT>0001366822-08-000001.txt : 20080324
<SEC-HEADER>0001366822-08-000001.hdr.sgml : 20080324
<ACCEPTANCE-DATETIME>20080324141956
ACCESSION NUMBER:		0001366822-08-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080319
FILED AS OF DATE:		20080324
DATE AS OF CHANGE:		20080324

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Garcia Nelson
		CENTRAL INDEX KEY:			0001366822

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12647
		FILM NUMBER:		08706642

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(787) 269-5650

	MAIL ADDRESS:	
		STREET 1:		PO BOX 8068
		CITY:			BAYAMON
		STATE:			PR
		ZIP:			00960

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:			1231

	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>2008-03-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001366822</rptOwnerCik>
            <rptOwnerName>Garcia Nelson</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 8068</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BAYAMON</rptOwnerCity>
            <rptOwnerState>PR</rptOwnerState>
            <rptOwnerZipCode>00960</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>Restricted shares of common stocks</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2008-03-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>21.86</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Awarded pursuant to the Company's 2007 Omnibus Performance Incentive Plan. Restrictions will expire on the third anniversary of the award date or earlier in the event of a change of control of the Company.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Nelson Garcia</signatureName>
        <signatureDate>2008-03-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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