UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 15

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION
UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934

OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934.

Commission File Number: 001-41003

ONYX ACQUISITION CO. I

(Exact name of registrant as specified in its charter)

104 5^th Avenue,

New York, New York 10011

(212) 974-2844

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Units, each consisting of one Class A Ordinary Share,
$0.0001 par value, and one-half of one redeemable warrant
to acquire one Class A Ordinary Share

Class A Ordinary Shares included as a part of the units
Redeemable warrants to acquire one Class A Ordinary Share

(Title of each class of securities covered by this Form)

None

(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:

Approximate number of holders of record of the Units: 0

Approximate number of holders of record of the Warrants: 0

Approximate number of holders of record of the Class A Ordinary Shares: 1

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.