[CHAPMAN AND CUTLER LETTERHEAD]

May 2, 2024

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Ladies and Gentlemen:

On behalf of the Innovator ETFs Trust (the “Registrant”), in accordance with the provisions of Rule 497(j) of Regulation C under the Securities Act of 1933 (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 for Innovator International Developed Power Buffer ETF – May, a series of the Registrant, does not differ from that which would have been filed pursuant to Rule 497(c) of the Securities Act.  Post-Effective Amendment No. 1151 was filed electronically with the Securities and Exchange Commission on May 1, 2024.

If we may cooperate with you in any way in the processing of this registration statement, please telephone the undersigned at (312) 845-3273.