Filed pursuant to Rule 497(c)
Registration Nos. 333-210186 and 811-23147

CHAPMAN AND CUTLER LLP 111 WEST MONROE STREET
CHICAGO, ILLINOIS 60603

May 20, 2020

Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549

Re: First Trust Exchange-Traded Fund VIII
(Registration Nos. 333-210186, 811-23147)

Ladies and Gentlemen:

On behalf of First Trust Exchange-Traded Fund VIII (the "Registrant"), we are transmitting for electronic filing pursuant to Rule 497(c) under the Securities Act of 1933, as amended, the exhibits containing interactive data format risk/return summary information that mirrors the risk/return summary information in the forms of Prospectus and Statement of Additional Information for the Registrant filed pursuant to Rule 497(c) on May 18, 2020. The Registration Statement relates to the FT Cboe Vest U.S. Equity Deep Buffer ETF - May, a series of the Registrant.

If you have any questions or comments, please telephone the undersigned at
(312) 845-3781.

Very truly yours,

CHAPMAN AND CUTLER LLP 

By: /s/ Eric F. Fess
    ------------------------------
        Eric F. Fess

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