<SEC-DOCUMENT>0000899243-21-038962.txt : 20211004
<SEC-HEADER>0000899243-21-038962.hdr.sgml : 20211004
<ACCEPTANCE-DATETIME>20211004215855
ACCESSION NUMBER:		0000899243-21-038962
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210930
FILED AS OF DATE:		20211004
DATE AS OF CHANGE:		20211004

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			de Masi Niccolo
		CENTRAL INDEX KEY:			0001480011

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39694
		FILM NUMBER:		211305049

	MAIL ADDRESS:	
		STREET 1:		500 HOWARD ST., SUITE 300
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IonQ, Inc.
		CENTRAL INDEX KEY:			0001824920
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				852992192
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4505 CAMPUS DRIVE
		CITY:			COLLEGE PARK
		STATE:			MD
		ZIP:			20740
		BUSINESS PHONE:		(301) 298-7997

	MAIL ADDRESS:	
		STREET 1:		4505 CAMPUS DRIVE
		CITY:			COLLEGE PARK
		STATE:			MD
		ZIP:			20740

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	dMY Technology Group, Inc. III
		DATE OF NAME CHANGE:	20200915
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-09-30</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001824920</issuerCik>
        <issuerName>IonQ, Inc.</issuerName>
        <issuerTradingSymbol>IONQ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001480011</rptOwnerCik>
            <rptOwnerName>de Masi Niccolo</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O IONQ, INC., 4505 CAMPUS DRIVE,</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>COLLEGE PARK</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20740</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Niccolo de Masi</signatureName>
        <signatureDate>2021-09-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
