-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Fv6Rddb6Awn0c/K0xsexuOF8lzr+MSHDEOJ2tWX2ekh3zdd1u/qRVMrT4grf9Cln
 CTQ0yGAzbCzWA1hVhl9Tqg==

<SEC-DOCUMENT>0001140361-06-000824.txt : 20060118
<SEC-HEADER>0001140361-06-000824.hdr.sgml : 20060118
<ACCEPTANCE-DATETIME>20060118173639
ACCESSION NUMBER:		0001140361-06-000824
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060113
FILED AS OF DATE:		20060118
DATE AS OF CHANGE:		20060118

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROSS AL
		CENTRAL INDEX KEY:			0001184516
		STATE OF INCORPORATION:			GA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12436
		FILM NUMBER:		06536384

	BUSINESS ADDRESS:	
		STREET 1:		P O BOX 157
		CITY:			EASTMAN
		STATE:			GA
		ZIP:			31023
		BUSINESS PHONE:		4783745594

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLONY BANKCORP INC
		CENTRAL INDEX KEY:			0000711669
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				581492391
		STATE OF INCORPORATION:			GA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		115 SOUTH GRANT STREET
		STREET 2:		.
		CITY:			FITZGERALD
		STATE:			GA
		ZIP:			31750
		BUSINESS PHONE:		229-426-6000

	MAIL ADDRESS:	
		STREET 1:		115 SOUTH GRANT STREET
		STREET 2:		.
		CITY:			FITZGERALD
		STATE:			GA
		ZIP:			31750
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4/A
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2006-01-13</periodOfReport>

    <dateOfOriginalSubmission>2006-01-18</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000711669</issuerCik>
        <issuerName>COLONY BANKCORP INC</issuerName>
        <issuerTradingSymbol>CBAN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001184516</rptOwnerCik>
            <rptOwnerName>ROSS AL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>141 BERRY DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BROXTON, GA</rptOwnerCity>
            <rptOwnerState>X1</rptOwnerState>
            <rptOwnerZipCode>31519</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SENIOR VICE PRESIDENT</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>COLONY BANKCORP INC COMMON STOCK</value>
            </securityTitle>
            <transactionDate>
                <value>2006-01-13</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>39.5391</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>23.9143</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15666.1771</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>AL D. ROSS</signatureName>
        <signatureDate>2006-01-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----