<?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>0001464929</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001669811</issuerCik>
            <issuerName>Donnelley Financial Solutions, Inc.</issuerName>
            <secFileNumber>001-37728</secFileNumber>
            <issuerAddress>
                <ns2:street1>391 Steel Way</ns2:street1>
                <ns2:city>Lancaster</ns2:city>
                <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                <ns2:zipCode>17601</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>8008235304</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DANIEL LEIB</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</relationshipToIssuer>
                <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>65000</noOfUnitsSold>
            <aggregateMarketValue>3756350.00</aggregateMarketValue>
            <noOfUnitsOutstanding>28858237</noOfUnitsOutstanding>
            <approxSaleDate>11/06/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>11/06/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Exercise of Stock Options</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>65000</amountOfSecuritiesAcquired>
            <paymentDate>11/06/2024</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for DANIEL LEIB</name>
                <address>
                    <ns2:street1>391 Steel Way</ns2:street1>
                    <ns2:city>Lancaster</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>17601</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/19/2024</saleDate>
            <amountOfSecuritiesSold>2619</amountOfSecuritiesSold>
            <grossProceeds>183398.36</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for DANIEL LEIB</name>
                <address>
                    <ns2:street1>391 Steel Way</ns2:street1>
                    <ns2:city>Lancaster</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>17601</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/18/2024</saleDate>
            <amountOfSecuritiesSold>2881</amountOfSecuritiesSold>
            <grossProceeds>201743.18</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for DANIEL LEIB</name>
                <address>
                    <ns2:street1>391 Steel Way</ns2:street1>
                    <ns2:city>Lancaster</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>17601</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/17/2024</saleDate>
            <amountOfSecuritiesSold>4100</amountOfSecuritiesSold>
            <grossProceeds>287787.61</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for DANIEL LEIB</name>
                <address>
                    <ns2:street1>391 Steel Way</ns2:street1>
                    <ns2:city>Lancaster</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>17601</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/16/2024</saleDate>
            <amountOfSecuritiesSold>400</amountOfSecuritiesSold>
            <grossProceeds>28005.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for DANIEL LEIB</name>
                <address>
                    <ns2:street1>391 Steel Way</ns2:street1>
                    <ns2:city>Lancaster</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>17601</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/15/2024</saleDate>
            <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
            <grossProceeds>1302776.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <remarks>The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale.&#13;
</remarks>
        <noticeSignature>
            <noticeDate>11/06/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>06/25/2024</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Daniel Leib</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
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144
0001464929
XXXXXXXX
LIVE
0001669811
Donnelley Financial Solutions, Inc.
001-37728
391 Steel Way
Lancaster
PA
17601
8008235304
DANIEL LEIB
Director
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
65000
3756350.00
28858237
11/06/2024
NYSE
Common
11/06/2024
Exercise of Stock Options
Issuer
N
65000
11/06/2024
Cash
N
10b5-1 Sales for DANIEL LEIB
391 Steel Way
Lancaster
PA
17601
Common
09/19/2024
2619
183398.36
10b5-1 Sales for DANIEL LEIB
391 Steel Way
Lancaster
PA
17601
Common
09/18/2024
2881
201743.18
10b5-1 Sales for DANIEL LEIB
391 Steel Way
Lancaster
PA
17601
Common
09/17/2024
4100
287787.61
10b5-1 Sales for DANIEL LEIB
391 Steel Way
Lancaster
PA
17601
Common
09/16/2024
400
28005.00
10b5-1 Sales for DANIEL LEIB
391 Steel Way
Lancaster
PA
17601
Common
08/15/2024
20000
1302776.00
The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale.
11/06/2024
06/25/2024
/s/ Daniel Leib