<SUBMISSION>
<ACCESSION-NUMBER>0001127602-10-031536
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20101222
<FILING-DATE>20101227
<DATE-OF-FILING-DATE-CHANGE>20101227
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>LOUDERMILK ROBERT C JR
<CIK>0001236905
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-13941
<FILM-NUMBER>101274067
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>309 E. PACES FERRY RD N.E.
<CITY>ATLANTA
<STATE>GA
<ZIP>30305-2377
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>AARON'S INC
<CIK>0000706688
<ASSIGNED-SIC>7359
<IRS-NUMBER>580687630
<STATE-OF-INCORPORATION>GA
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>309 E. PACES FERRY ROAD, N.E.
<STREET2>(NONE)
<CITY>ATLANTA
<STATE>GA
<ZIP>30305-2377
<PHONE>404-231-0011
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>309 E. PACES FERRY ROAD, N.E.
<STREET2>(NONE)
<CITY>ATLANTA
<STATE>GA
<ZIP>30305-2377
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>AARON RENTS INC
<DATE-CHANGED>19920703
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-12-22</periodOfReport>

    <issuer>
        <issuerCik>0000706688</issuerCik>
        <issuerName>AARON'S INC</issuerName>
        <issuerTradingSymbol>AAN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001236905</rptOwnerCik>
            <rptOwnerName>LOUDERMILK ROBERT C JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>309 E. PACES FERRY ROAD, N.E.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ATLANTA</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30305-</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-12-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>37000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.0269</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>238679</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-12-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>8000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>230679</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>401553</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7249.8977</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: 401(k) Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>41182</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: Spouse</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">7,500 shares pertain to restricted Common Stock granted on November 7, 2006.</footnote>
        <footnote id="F2">Reflects (i) the automatic conversion on December 10, 2010 of each outstanding share of the Company's nonvoting Common Stock, Par Value $0.50 Per Share, into one share of the Company's Class A Common Stock, Par Value $0.50 Per Share and (ii) the simultaneous redesignation of the Class A Common Stock, Par Value $0.50 Per Share, as Common Stock, Par Value $0.50 Per Share, pursuant to the Amended and Restated Certificate of Incorporation of the Company effective December 10, 2010.  Immediately prior to the automatic conversion, the reporting person held 313,152 shares of Common Stock and 88,401 shares of Class A Common Stock.  Such share conversion was an exempt transaction pursuant to SEC Rule 16b-7.</footnote>
        <footnote id="F3">Reflects (i) the automatic conversion on December 10, 2010 of each outstanding share of the Company's nonvoting Common Stock, Par Value $0.50 Per Share, into one share of the Company's Class A Common Stock, Par Value $0.50 Per Share and (ii) the simultaneous redesignation of the Class A Common Stock, Par Value $0.50 Per Share, as Common Stock, Par Value $0.50 Per Share, pursuant to the Amended and Restated Certificate of Incorporation of the Company effective December 10, 2010. Immediately prior to the automatic conversion, the reporting person held 39,157 shares of Common Stock and 2,025 shares of Class A Common Stock. Such share conversion was an exempt transaction pursuant to SEC Rule 16b-7.</footnote>
        <footnote id="F4">Reflects (i) the automatic conversion on December 10, 2010 of each outstanding share of the Company's nonvoting Common Stock, Par Value $0.50 Per Share, into one share of the Company's Class A Common Stock, Par Value $0.50 Per Share and (ii) the simultaneous redesignation of the Class A Common Stock, Par Value $0.50 Per Share, as Common Stock, Par Value $0.50 Per Share, pursuant to the Amended and Restated Certificate of Incorporation of the Company effective December 10, 2010. Immediately prior to the automatic conversion, the reporting person held 197,409 shares of Common Stock and 78,270 shares of Class A Common Stock. Such share conversion was an exempt transaction pursuant to SEC Rule 16b-7.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>s/ Aleksandra T. Nearing, by Power of Attorney for Robert C. Loudermilk, Jr.</signatureName>
        <signatureDate>2010-12-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
