| 2023 in ONE Championship | |
|---|---|
 | |
| Information | |
| First date | January 14, 2023 |
| Last date | December 22, 2023 |
| Events | |
| Total events | 58 |
| ONE Fight Night | 12 |
| ONE Friday Fights | 46 |
| Fights | |
| Total fights | 550 |
| Title fights | 30 |
The year 2023 was the 13th year in the history of the ONE Championship, a mixed martial arts, kickboxing, Muay Thai and submission grappling promotion based in Cayman Islands.