<SEC-DOCUMENT>0001140361-17-035840.txt : 20170918
<SEC-HEADER>0001140361-17-035840.hdr.sgml : 20170918
<ACCEPTANCE-DATETIME>20170918211049
ACCESSION NUMBER:		0001140361-17-035840
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170913
FILED AS OF DATE:		20170918
DATE AS OF CHANGE:		20170918

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BELLUZZO RICHARD
		CENTRAL INDEX KEY:			0001204925

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22874
		FILM NUMBER:		171091002

	MAIL ADDRESS:	
		STREET 1:		C/O QUANTUM CORP
		STREET 2:		501 SYCAORE DR
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VIAVI SOLUTIONS INC.
		CENTRAL INDEX KEY:			0000912093
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				942579683
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0702

	BUSINESS ADDRESS:	
		STREET 1:		430 NORTH MCCARTHY BOULEVARD
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035
		BUSINESS PHONE:		4084043600

	MAIL ADDRESS:	
		STREET 1:		430 NORTH MCCARTHY BOULEVARD
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	JDS UNIPHASE CORP /CA/
		DATE OF NAME CHANGE:	19990713
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-09-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000912093</issuerCik>
        <issuerName>VIAVI SOLUTIONS INC.</issuerName>
        <issuerTradingSymbol>VIAV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001204925</rptOwnerCik>
            <rptOwnerName>BELLUZZO RICHARD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O VIAVI SOLUTIONS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>6001 AMERICA CENTER DRIVE, 6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-09-13</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.2257</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>196762</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Shares were sold pursuant to a Rule 10b5-1 Stock Trading Plan.</footnote>
        <footnote id="F2">The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $10.145 to $10.325 inclusive.  The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Wendy Le, Global Equity Plan Manager, Attorney-in-Fact</signatureName>
        <signatureDate>2017-09-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
