Prospectus Certification by Investment Company (Form 497J)

Filed pursuant to Rule 497(j)

Registration Nos. 333-210186 and 811-23147

October 1, 2025

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Ladies and Gentlemen:

On behalf of First Trust Exchange-Traded Fund VIII (the "Registrant"), in accordance with the provisions of Rule 497(j) of Regulation C under the Securities Act of 1933, as amended, (the "Securities Act"), this letter serves to certify that the most recent amendment to the Registration Statement on Form N-1A (the "Registration Statement") of the Registrant does not differ from that which would have been filed pursuant to Rule 497(c) of the Securities Act. The Registration Statement relates to FT Raymond James Multicap Growth Equity ETF, FT Vest U.S. Equity Max Buffer ETF - March, FT Vest U.S. Equity Equal Weight Buffer ETF - June, FT Vest U.S. Equity Max Buffer ETFs - June, FT Vest U.S. Equity Max Buffer ETF - July, FT Vest U.S. Equity Max Buffer ETF - August, FT Vest U.S. Equity Max Buffer ETF - September, FT Vest U.S. Equity Equal Weight Buffer ETF - September, FT Vest Emerging Markets Buffer ETF - September, FT Vest U.S. Equity Max Buffer ETF - October, FT Vest U.S. Equity Uncapped Accelerator ETF - October, FT Vest U.S. Equity Quarterly 2.5 to 15 Buffer ETF, FT Vest U.S. Equity Quarterly Dynamic Buffer ETF, FT Vest U.S. Equity Max Buffer ETF - November, FT Vest U.S. Equity Equal Weight Buffer ETF - December, FT Vest US Equity Quarterly Max Buffer ETF, FT Vest Emerging Markets Buffer ETF - December, FT Vest U.S. Equity Max Buffer ETF - December, FT Vest U.S. Equity Max Buffer ETF - January, FT Vest U.S. Equity Uncapped Accelerator ETF - January, FT Vest U.S. Equity Max Buffer ETF - February, FT Vest U.S. Equity Equal Weight Buffer ETF - March, FT Vest Emerging Markets Buffer ETF - March, FT Vest U.S. Equity Max Buffer ETF - April, FT Vest U.S. Equity Uncapped Accelerator ETF - April and FT Vest U.S. Equity Max Buffer ETF - May, each a series of the Registrant. Post-Effective Amendment No. 599 was filed electronically with the Securities and Exchange Commission on September 29, 2025.

If you have any questions or comments, please telephone the undersigned at (312) 845-3484.

Enclosures