<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2016-01-14</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001230276</issuerCik>
        <issuerName>Pandora Media, Inc.</issuerName>
        <issuerTradingSymbol>P</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001664398</rptOwnerCik>
            <rptOwnerName>MARTIN CHRISTOPHER DOUGLAS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PANDORA MEDIA, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2101 WEBSTER STREET, #1650</rptOwnerStreet2>
            <rptOwnerCity>OAKLAND</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94612</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Technology Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>214416</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Market Share Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>45000</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Common Stock (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.16</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2019-07-07</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7360</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Common Stock (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.1380</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <value>2020-08-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6667</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Common Stock (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>6.35</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <value>2021-03-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>16875</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Common Stock (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>34.98</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F7"/>
            </exerciseDate>
            <expirationDate>
                <value>2024-03-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>24900</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Includes 42,097 shares of common stock and 172,319 unvested restricted stock units remaining in the following grants: (i) 20,000 restricted stock units that vest in four equal annual installments beginning on 3/15/2013, per the terms of the 2/22/2012 RSU grant; (ii) 20,000 restricted stock units that vest in four equal annual installments beginning on 3/15/2014, per the terms of the 2/20/2013 RSU grant; (iii) 165,000 restricted stock units that vest in four equal annual installments beginning on 3/15/2014, per the terms of the 4/3/2013 RSU grant; (iv) 13,900 restricted stock units that vest over a total of four years, with 25% vesting on 2/15/2015 and thereafter 1/16th of the total number of shares vesting quarterly, per the terms of the 3/18/2014 RSU grant; and (v) 67,000 restricted stock units that vest over a total of four years, with 25% vesting on 2/15/2016 and thereafter 1/16th of the total number of shares vesting quarterly, per the terms of the 3/11/2015 RSU grant.</footnote>
        <footnote id="F2">Pursuant to the terms of the March 11, 2015 MSU grant, represents the target number of market share units which may be earned over a three-year period based on Pandora's annual relative total shareholder return compared to that of the Russell 2000 Index. The actual amount earned and eligible for vesting may be between 0 and 200% of this number, depending on actual performance.</footnote>
        <footnote id="F3">Each market share unit represents a contingent right to receive one share of Pandora Media, Inc. common stock.</footnote>
        <footnote id="F4">Pursuant to the terms of the July 7, 2009 grant, the option grant vested and became exercisable with respect to 1/48 of the total number of shares monthly, beginning on 8/7/2009.  The option fully vested on August 7, 2013.</footnote>
        <footnote id="F5">Pursuant to the terms of the August 16, 2010 grant, the option grant vested and became exercisable with respect to 1/48 of the total number of shares monthly, beginning on 8/21/2010.  The option fully vested on August 21, 2014.</footnote>
        <footnote id="F6">Pursuant to the terms of the March 31, 2011 grant, the option grant vested and became exercisable with respect to 1/48 of the total number of shares monthly, beginning on 4/9/2011.  The option fully vested on April 9, 2015.</footnote>
        <footnote id="F7">Pursuant to the terms of the March 18, 2014 grant, the option grant vests and becomes exercisable with respect to 25% of the total number of shares on 3/18/2015 and thereafter 1/48th of the total number of shares vesting monthly.</footnote>
    </footnotes>

    <remarks>Exhibit 24.1 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Jeremy Liegl, attorney-in-fact</signatureName>
        <signatureDate>2016-01-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
