<SEC-DOCUMENT>0001140361-18-010114.txt : 20180226
<SEC-HEADER>0001140361-18-010114.hdr.sgml : 20180226
<ACCEPTANCE-DATETIME>20180226145613
ACCESSION NUMBER:		0001140361-18-010114
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180223
FILED AS OF DATE:		20180226
DATE AS OF CHANGE:		20180226

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RONDINONE RALPH
		CENTRAL INDEX KEY:			0001635083

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22874
		FILM NUMBER:		18640135

	MAIL ADDRESS:	
		STREET 1:		C/O JDS UNIPHASE
		STREET 2:		430 NORTH MCCARTHY BOULEVARD
		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:		6001 AMERICA CENTER DRIVE
		STREET 2:		6TH FLOOR
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95002
		BUSINESS PHONE:		4084043600

	MAIL ADDRESS:	
		STREET 1:		6001 AMERICA CENTER DRIVE
		STREET 2:		6TH FLOOR
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95002

	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>2018-02-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001635083</rptOwnerCik>
            <rptOwnerName>RONDINONE RALPH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O VIAVI SOLUTIONS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>6001 AMERICA CENTER DRIVE, 6TH</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP Global Operations NSE</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-02-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1830</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.7282</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21264</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 $9.7 to $9.79 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/ Chris Domingue, Attorney-in-Fact</signatureName>
        <signatureDate>2018-02-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
