<SEC-DOCUMENT>0001140361-15-023423.txt : 20150605
<SEC-HEADER>0001140361-15-023423.hdr.sgml : 20150605
<ACCEPTANCE-DATETIME>20150605190355
ACCESSION NUMBER:		0001140361-15-023423
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150605
FILED AS OF DATE:		20150605
DATE AS OF CHANGE:		20150605

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cable One, Inc.
		CENTRAL INDEX KEY:			0001632127
		STANDARD INDUSTRIAL CLASSIFICATION:	CABLE & OTHER PAY TELEVISION SERVICES [4841]
		IRS NUMBER:				133060083
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		210 E. EARLL DRIVE
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85012
		BUSINESS PHONE:		602-364-6000

	MAIL ADDRESS:	
		STREET 1:		210 E. EARLL DRIVE
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85012

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Jones Hal
		CENTRAL INDEX KEY:			0001450693

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36863
		FILM NUMBER:		15917100

	MAIL ADDRESS:	
		STREET 1:		1150 15TH STREET, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20071
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2015-06-05</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001632127</issuerCik>
        <issuerName>Cable One, Inc.</issuerName>
        <issuerTradingSymbol>CABO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001450693</rptOwnerCik>
            <rptOwnerName>Jones Hal</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>210 E. EARLL DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PHOENIX</rptOwnerCity>
            <rptOwnerState>AZ</rptOwnerState>
            <rptOwnerZipCode>85012</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, par value $0.01</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Nicole M. Maddrey for Hal S. Jones</signatureName>
        <signatureDate>2015-06-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
