Loren P. Hansen

A PROFESSIONAL CORPORATION

attorney at law

January 27, 2021

Ladies and Gentlemen:

On behalf of RBB Bancorp, a California corporation (the “Company’), an emerging growth company and an accelerated filer, we hereby submit Pre-Effective Amendment No. 1 to the Form S-3 Registration Statement (“Registration Statement”).

Pursuant to Rule 461 under the Securities Act of 1933, as amended (the “Securities Act”), the Company hereby requests the Securities and Exchange Commission (the “Commission”) to accelerate the effective date of the Registration Statement and declare the Registration Statement effective under the Securities Act at 4:00 p.m., Eastern Time, on Friday, January 29, 2021, or as soon thereafter as practicable. The Company also requests the Commission to specifically confirm such effective date and time to the Company in writing.

Please direct all notices and communications with respect to this confidential submission to each of the following:

Yee Phong (Alan) Thian

Chairman, President and Chief Executive Officer

RBB Bancorp

1055 Wilshire Blvd., 12^th Floor

Los Angeles, California 90017

(213) 627-9888

With copies to:

Please contact the undersigned at (949) 851-6125 or lphansen@lphansenlaw.com if you have any questions regarding the foregoing.