Form 497J WisdomTree Trust

WisdomTree Trust

245 Park Avenue

35th Floor

New York, NY 10167

May 12, 2021

VIA EDGAR

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

Attention: File Room

Dear Sir/Madam:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, please accept this letter as certification that the Prospectus and the Statement of Additional Information for the above-referenced Registrant’s Emerging Markets Efficient Core Fund does not differ from the Prospectus and the Statement of Additional Information contained in Post-Effective Amendment No. 788 (the “Amendment”) to the Registrant’s Registration Statement on Form N-1A. The Amendment was filed electronically on May 7, 2021 with a designated effective date of May 10, 2021 (Accession No. 0001214659-21-005081).

Any comments or questions with respect to this filing should be directed to my attention at (917) 267-3721.

Very truly yours,

Ryan M. Louvar

Secretary

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