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

    <schemaVersion>X0203</schemaVersion>

    <exchange>
        <cik>0001143362</cik>
        <entityName>NYSE ARCA, INC.</entityName>
    </exchange>

    <issuer>
        <cik>0001710607</cik>
        <entityName>AMERICAN CENTURY ETF TRUST</entityName>
        <fileNumber>001-38340</fileNumber>
        <address>
            <street1>4500 Main Street</street1>
            <city>Kansas City</city>
            <stateOrCountryCode>MO</stateOrCountryCode>
            <stateOrCountry>MISSOURI</stateOrCountry>
            <zipCode>64111-7709</zipCode>
        </address>
        <telephoneNumber></telephoneNumber>
    </issuer>

    <descriptionClassSecurity>American Century Low Volatility ETF</descriptionClassSecurity>

    <ruleProvision>17 CFR 240.12d2-2(a)(3)</ruleProvision>

    <signatureData>
        <signatureName>Tyler Mastronardi</signatureName>
        <signatureTitle>Analyst, Regulation</signatureTitle>
        <signatureDate>2025-04-29</signatureDate>
    </signatureData>
</notificationOfRemoval>
