May 28, 2024

VIA EDGAR

Securities and Exchange Commission
Division of Corporation Finance

100 F Street, NE
Washington, DC 20549

Re:	NioCorp Developments Ltd.
	Registration Statement on Form S-1
	(Registration No. 333-279429)

Ladies and Gentlemen:

On behalf of NioCorp Developments Ltd. (“NioCorp”), the undersigned hereby requests, pursuant to Rule 461(a) promulgated under the Securities Act of 1933, that the Registration Statement on Form S-1 (File No. 333-279429) of NioCorp be declared effective at 9:00 a.m., New York City time, on May 31, 2024, or as soon thereafter as practicable. NioCorp respectfully requests that you notify Andrew C. Thomas of such effectiveness by a telephone call to (216) 586-1041.

Please contact Andrew C. Thomas of Jones Day at (216) 586-1041 if you have any questions concerning this matter. Thank you for your continued attention to this matter.

	Very truly yours,
	NIOCORP DEVELOPMENTS LTD.
	By:	/s/ Neal S. Shah
		Name:	Neal S. Shah
		Title:	Chief Financial Officer
cc: Andrew C. Thomas, Esq.