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

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-05-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001828108</issuerCik>
        <issuerName>Aurora Innovation, Inc.</issuerName>
        <issuerTradingSymbol>AUR</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001519339</rptOwnerCik>
            <rptOwnerName>Hoffman Reid</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O AURORA INNOVATION, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1654 SMALLMAN STREET</rptOwnerStreet2>
            <rptOwnerCity>PITTSBURGH</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15222</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-05-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>36547</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>354669</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5162315</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1550646</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>674719</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1082118</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>60118</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F5"/>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>60118</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F5"/>
                    <footnoteId id="F8"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The reported securities are represented by restricted stock units (&quot;RSUs&quot;). Each RSU represents a contingent right to receive one share of Class A Common Stock. 100% of the RSUs will vest on the earlier of (i) May 21, 2027 or (ii) the day prior to the date of the Issuer's next annual stockholders meeting following May 21, 2026, in each case, subject to the reporting person's continued service through the applicable vesting date.</footnote>
        <footnote id="F2">Reflects securities held directly by Reinvent Sponsor Y LLC (the &quot;Sponsor&quot;). The reporting person may be deemed a beneficial owner of securities held by the Sponsor by virtue of his shared control over and indirect pecuniary interest in the Sponsor. The reporting person disclaims beneficial ownership of the securities held by the Sponsor, except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F3">Reflects securities held by Reprogrammed Interchange LLC (&quot;Reprogrammed&quot;). The reporting person may be deemed a beneficial owner of securities held by Reprogrammed by virtue of his shared control over and indirect pecuniary interest in Reprogrammed. The reporting person disclaims beneficial ownership of the securities held by Reprogrammed, except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F4">Reflects securities held by Programmable Exchange LLC (&quot;Programmable&quot;). The reporting person may be deemed a beneficial owner of securities held by Programmable by virtue of his voting and investment power over such securities. The reporting person disclaims beneficial ownership of the securities held by Programmable, except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F5">Greylock 15 GP LLC (&quot;Greylock LLC&quot;) is the general partner of each of Greylock 15 Limited Partnership (&quot;Greylock 15&quot;), Greylock 15 Principals Limited Partnership (&quot;Greylock Principals&quot;), and Greylock 15-A Limited Partnership (&quot;Greylock 15-A&quot;). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F6">Reflects securities held directly by Greylock 15.</footnote>
        <footnote id="F7">Reflects securities held directly by Greylock 15-A.</footnote>
        <footnote id="F8">Reflects securities held directly by Greylock 15 Principals.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Yijun Han, Attorney-in-fact for Reid Hoffman</signatureName>
        <signatureDate>2026-05-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
