-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 pUZlfgQciO9FyALp3dFCuw==

<SEC-DOCUMENT>0000005513-10-000027.txt : 20100225
<SEC-HEADER>0000005513-10-000027.hdr.sgml : 20100225
<ACCEPTANCE-DATETIME>20100225170140
ACCESSION NUMBER:		0000005513-10-000027
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20100223
FILED AS OF DATE:		20100225
DATE AS OF CHANGE:		20100225

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Horn Randall C
		CENTRAL INDEX KEY:			0001354738

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11294
		FILM NUMBER:		10634412

	MAIL ADDRESS:	
		STREET 1:		1 FOUNTAIN SQUARE
		CITY:			CHATTANOOGA
		STATE:			TN
		ZIP:			37402

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Unum Group
		CENTRAL INDEX KEY:			0000005513
		STANDARD INDUSTRIAL CLASSIFICATION:	ACCIDENT & HEALTH INSURANCE [6321]
		IRS NUMBER:				621598430
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 FOUNTAIN SQUARE
		CITY:			CHATTANOOGA
		STATE:			TN
		ZIP:			37402
		BUSINESS PHONE:		4232944350

	MAIL ADDRESS:	
		STREET 1:		1 FOUNTAIN SQUARE
		CITY:			CHATTANOOGA
		STATE:			TN
		ZIP:			37402

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNUMPROVIDENT CORP
		DATE OF NAME CHANGE:	19990702

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PROVIDENT COMPANIES INC /DE/
		DATE OF NAME CHANGE:	19961204

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PROVIDENT LIFE & ACCIDENT INSURANCE CO OF AMERICA
		DATE OF NAME CHANGE:	19950407
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>main4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-02-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000005513</issuerCik>
        <issuerName>Unum Group</issuerName>
        <issuerTradingSymbol>UNM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001354738</rptOwnerCik>
            <rptOwnerName>Horn Randall C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1 FOUNTAIN SQUARE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHATTANOOGA</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37402</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, President &amp; CEO, Colonial</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-02-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2926.0</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.83</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>99277.0</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-02-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2365.0</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>21.01</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>96912.0</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-02-24</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4578.0</value>
                    <footnoteId id="F5"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.93</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>92334.0</value>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares withheld to satisfy tax withholding obligation upon vesting of 8,275 shares of restricted stock.</footnote>
        <footnote id="F2">Includes 54,277 restricted stock units (which amount includes the exempt acquisition of an aggregate of approximately 645 RSUs resulting from the reinvestment of dividends after the date of the reporting person's prior Form 4) and 45,000 shares held outside any plan.</footnote>
        <footnote id="F3">Represents shares withheld to satisfy tax withholding obligation upon vesting of 7,068.887 restricted stock units.</footnote>
        <footnote id="F4">Includes 47,208 restricted stock units and 49,704 shares held outside any plan.</footnote>
        <footnote id="F5">Represents shares withheld to satisfy tax withholding obligation upon vesting of 13,378.598 restricted stock units.</footnote>
        <footnote id="F6">Includes 33,829 restricted stock units and 58,505 shares held outside any plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jullienne, J. Paul, Attorney-in-Fact</signatureName>
        <signatureDate>2010-02-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>powerofattorney-horn0.txt
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
				POWER OF ATTORNEY
		(For executing Forms 3, 4 and 5 under Rule 16)


	KNOW ALL BY THESE PRESENTS, That the undersigned hereby constitutes and
appoints E. Liston Bishop, III, Susan N. Roth, J. Paul Jullienne, or Christopher
A. Parrott as his/her true and lawful attorneys-in-fact and agents to:


	     a. Execute for and on behalf of the undersigned such Forms 3, 4 and
	        5 ("Forms") as may be required from time to time by Section 16 of
	        the Securities Exchange Act of 1934 and the applicable rules
		thereunder ("Act"); and


	     b. Do and perform each and every act and thing for and on behalf of
		the undersigned which may be necessary or desirable to complete
		the execution and timely filing of such Forms as undersigned may
		be required to file with the Securities and Exchange Commission
		and any other authority.

	The undersigned grants said attorneys-in-fact and agents full power and
authority to act and perform on behalf of the undersigned all and every act and
thing whatsoever required to be done in the exercise of the rights and powers
granted herein, as fully to all intents and purposes as said attorneys-in-fact
and agents might or could do in person, with full power of substitution or
revocation, hereby ratifying and confirming all that such attorneys-in-fact and
agents, or their substitutes, may lawfully do or cause to be done by virtue
hereof.  The undersigned hereby acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming any of the undersigned's responsibilities to
comply with Section 16 of the Act.


	IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney
this 11th day of February, 2010.



					/s/  Randall C. Horn
					--------------------------------------
					Randall C. Horn
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
