<SEC-DOCUMENT>0000750686-18-000089.txt : 20180425
<SEC-HEADER>0000750686-18-000089.hdr.sgml : 20180425
<ACCEPTANCE-DATETIME>20180425093851
ACCESSION NUMBER:		0000750686-18-000089
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180424
FILED AS OF DATE:		20180425
DATE AS OF CHANGE:		20180425

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SAWYER ROBIN A
		CENTRAL INDEX KEY:			0001209799

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13227
		FILM NUMBER:		18772972

	MAIL ADDRESS:	
		STREET 1:		C/O FAIRCHILD SECMICODNDUCTOR
		STREET 2:		82 RUNNING HILL RD
		CITY:			SOUTH PORTLAND
		STATE:			ME
		ZIP:			04106

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CAMDEN NATIONAL CORP
		CENTRAL INDEX KEY:			0000750686
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				010413282
		STATE OF INCORPORATION:			ME
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		TWO ELM ST
		CITY:			CAMDEN
		STATE:			ME
		ZIP:			04843
		BUSINESS PHONE:		2072368821

	MAIL ADDRESS:	
		STREET 1:		2 ELM ST
		CITY:			CAMDEN
		STATE:			ME
		ZIP:			04843
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_152466351771247.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-04-24</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000750686</issuerCik>
        <issuerName>CAMDEN NATIONAL CORP</issuerName>
        <issuerTradingSymbol>CAC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001209799</rptOwnerCik>
            <rptOwnerName>SAWYER ROBIN A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 310 / 2 ELM STREET</rptOwnerStreet2>
            <rptOwnerCity>CAMDEN</rptOwnerCity>
            <rptOwnerState>ME</rptOwnerState>
            <rptOwnerZipCode>04843</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4110.25</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Michael R. Archer, POA</signatureName>
        <signatureDate>2018-04-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
