| 2023 NYSPHSAA Boys Class B Tournament | ||||
| REGIONAL SEMI-FINAL | REGIONAL FINAL | STATE SEMI-FINAL | STATE FINAL | All Tournament Team |
| March 11, 2023 | March 18, 2023 | March 19, 2023 | Naevon Williams - Southampton | |
| Kellen Foster - Newark | ||||
| Sei'Mir Roberson - Central Catholic | ||||
| Darien Moore - Central Catholic | ||||
| Omar Robinson - Westhill | ||||
| Newark (19-4) | ||||
| Section V B1 Champion | Dr. Bob Kana Sportsmanship Award | |||
| 66-59 | Newark (20-4) | Luke Gilmartin - Westhill | ||
| 3/8 @ Penn Yan Academy | Section V Champion | |||
| Wellsville (14-9) | Tournament MVP Award: | |||
| Section V B2 Champion | 66-58 (OT) | Newark (21-4) | Shawn Mayes - Westhill | |
| Lewiston-Porter (20-3) | @ Gates-Chili HS | Section V Champion | ||
| Section VI B1 Champion | ||||
| 64-63 | Fredonia (19-7) | |||
| 3/7 @ Buffalo State | Section VI Champion | |||
| Fredonia (18-7) | ||||
| Section VI B2 Champion | 63-36 | Westhill (23-3) | ||
| March 11, 2023 | @ Cool Insuring Arena | Section III Champion | ||
| Westhill (21-3) | ||||
| Section III Champion | ||||
| 72-38 | Westhill (22-3) | |||
| @ SRC Arena | Section III Champion | |||
| Owego Free Academy (15-6) | ||||
| Section IV Champion | ||||
| 66-61 | Westhill (24-3) | |||
| Burke Catholic (12-10) | March 10, 2023 | @ Cool Insuring Arena | State Class B Champion | |
| Section IX Champion | ||||
| 70-56 | Valhalla (24-1) | |||
| 3/7 @ Yorktown HS | Section I Champion | |||
| Valhalla (23-1) | ||||
| Section I Champion | 64-55 | Southampton (21-5) | ||
| Malverne (15-7) | @ Eastport SM | Section XI Champion | ||
| Section VIII Champion | ||||
| 63-49 | Southampton (20-5) | |||
| 3/8 @ Hofstra | Section XI Champion | |||
| Southampton (19-5) | ||||
| Section XI Champion | 65-52 | Catholic Central (25-1) | ||
| Beekmantown (17-5) | March 11, 2023 | @ Cool Insuring Arena | Section II Champion | |
| Section VII Champion | ||||
| 55-44 | Potsdam (12-12) | |||
| 3/7 @ SUNY Potsdam | Section X Champion | |||
| Potsdam (11-12) | ||||
| Section X Champion | 72-34 | Catholic Central (24-1) | ||
| @ Hudson Valley CC | Section II Champion | |||
| Catholic Central (23-1) | ||||
| Section II Champion | ||||