<SEC-DOCUMENT>0000018349-25-000072.txt : 20250425
<SEC-HEADER>0000018349-25-000072.hdr.sgml : 20250425
<ACCEPTANCE-DATETIME>20250425161808
ACCESSION NUMBER:		0000018349-25-000072
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250424
FILED AS OF DATE:		20250425
DATE AS OF CHANGE:		20250425

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Cherry Pedro P.
		CENTRAL INDEX KEY:			0001697382
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10312
		FILM NUMBER:		25874352

	MAIL ADDRESS:	
		STREET 1:		241 RALPH MCGILL BLVD., NW
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30308

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYNOVUS FINANCIAL CORP
		CENTRAL INDEX KEY:			0000018349
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		ORGANIZATION NAME:           	02 Finance
		EIN:				581134883
		STATE OF INCORPORATION:			X1
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		33 W 14TH STREET
		CITY:			COLUMBUS
		STATE:			GA
		ZIP:			31901
		BUSINESS PHONE:		7066416500

	MAIL ADDRESS:	
		STREET 1:		33 W 14TH STREET
		CITY:			COLUMBUS
		STATE:			GA
		ZIP:			31901

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CB&T BANCSHARES INC
		DATE OF NAME CHANGE:	19890912
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1745612282.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-04-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000018349</issuerCik>
        <issuerName>SYNOVUS FINANCIAL CORP</issuerName>
        <issuerTradingSymbol>SNV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001697382</rptOwnerCik>
            <rptOwnerName>Cherry Pedro P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P.O. BOX 120</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>COLUMBUS</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>31902</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-04-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2540</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>43.32</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18055</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">These shares are subject to restricted stock units. The units are fully vested and transferable upon the earlier to occur of (x) completion of three years of service and (y) date the holder reaches mandatory retirement age, all as specified in the form of Director Stock Unit Agreement.</footnote>
        <footnote id="F2">Includes 434 shares acquired through dividend accruals.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Mary Maurice Young</signatureName>
        <signatureDate>2025-04-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
