<SEC-DOCUMENT>0001209191-21-000173.txt : 20210104
<SEC-HEADER>0001209191-21-000173.hdr.sgml : 20210104
<ACCEPTANCE-DATETIME>20210104144636
ACCESSION NUMBER:		0001209191-21-000173
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201222
FILED AS OF DATE:		20210104
DATE AS OF CHANGE:		20210104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Dixon Adiya
		CENTRAL INDEX KEY:			0001838731

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36104
		FILM NUMBER:		21501369

	MAIL ADDRESS:	
		STREET 1:		111 N CANAL
		STREET 2:		SUITE 850
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			POTBELLY CORP
		CENTRAL INDEX KEY:			0001195734
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
		IRS NUMBER:				364466837
		FISCAL YEAR END:			1230

	BUSINESS ADDRESS:	
		STREET 1:		111 N. CANAL
		STREET 2:		SUITE 850
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3129510600

	MAIL ADDRESS:	
		STREET 1:		111 N. CANAL
		STREET 2:		SUITE 850
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2020-12-22</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001195734</issuerCik>
        <issuerName>POTBELLY CORP</issuerName>
        <issuerTradingSymbol>PBPB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001838731</rptOwnerCik>
            <rptOwnerName>Dixon Adiya</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>111 N CANAL</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 850</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60606</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, CLO and Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Adiya Dixon</signatureName>
        <signatureDate>2021-01-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
