<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001635083</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
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        <issuerInfo>
            <issuerCik>0000912093</issuerCik>
            <issuerName>VIAVI SOLUTIONS INC.</issuerName>
            <secFileNumber>000-22874</secFileNumber>
            <issuerAddress>
                <ns2:street1>1445 South Spectrum Blvd</ns2:street1>
                <ns2:street2>Suite 102</ns2:street2>
                <ns2:city>Chandler</ns2:city>
                <ns2:stateOrCountry>AZ</ns2:stateOrCountry>
                <ns2:zipCode>85286</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(408) 404-3600</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>RALPH RONDINONE</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>5117</noOfUnitsSold>
            <aggregateMarketValue>45336.62</aggregateMarketValue>
            <noOfUnitsOutstanding>221912561</noOfUnitsOutstanding>
            <approxSaleDate>09/26/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <acquiredDate>09/24/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Shares</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>5117</amountOfSecuritiesAcquired>
            <paymentDate>09/24/2024</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>RALPH RONDINONE</name>
                <address>
                    <ns2:street1>1445 South Spectrum Blvd</ns2:street1>
                    <ns2:street2>Suite 102</ns2:street2>
                    <ns2:city>Chandler</ns2:city>
                    <ns2:stateOrCountry>AZ</ns2:stateOrCountry>
                    <ns2:zipCode>85286</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/29/2024</saleDate>
            <amountOfSecuritiesSold>14293</amountOfSecuritiesSold>
            <grossProceeds>123305.71</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>RALPH RONDINONE</name>
                <address>
                    <ns2:street1>1445 South Spectrum Blvd</ns2:street1>
                    <ns2:street2>Suite 102</ns2:street2>
                    <ns2:city>Chandler</ns2:city>
                    <ns2:stateOrCountry>AZ</ns2:stateOrCountry>
                    <ns2:zipCode>85286</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/21/2024</saleDate>
            <amountOfSecuritiesSold>1271</amountOfSecuritiesSold>
            <grossProceeds>10206.13</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>09/26/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>05/14/2024</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Ralph Rondinone</signature>
        </noticeSignature>
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144
0001635083
XXXXXXXX
LIVE
0000912093
VIAVI SOLUTIONS INC.
000-22874
1445 South Spectrum Blvd
Suite 102
Chandler
AZ
85286
(408) 404-3600
RALPH RONDINONE
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
5117
45336.62
221912561
09/26/2024
NASDAQ
COMMON
09/24/2024
Performance Shares
ISSUER
N
5117
09/24/2024
Not Applicable
N
RALPH RONDINONE
1445 South Spectrum Blvd
Suite 102
Chandler
AZ
85286
Common
08/29/2024
14293
123305.71
RALPH RONDINONE
1445 South Spectrum Blvd
Suite 102
Chandler
AZ
85286
Common
08/21/2024
1271
10206.13
09/26/2024
05/14/2024
/s/ Ralph Rondinone