| 2023 NPB season | |
|---|---|
| League | Nippon Professional Baseball |
| Sport | Baseball |
| Duration | March 30 – October 9 |
| Number of games | 143 |
| Number of teams | 12 |
| Central League Pennant | |
| League champions | Hanshin Tigers |
| Runners-up | Hiroshima Toyo Carp |
| Season MVP | Shoki Murakami |
| Pacific League Pennant | |
| League champions | Orix Buffaloes |
| Runners-up | Chiba Lotte Marines |
| Season MVP | Yoshinobu Yamamoto |
| Climax Series | |
| CL champions | Hanshin Tigers |
| CL runners-up | Hiroshima Toyo Carp |
| PL champions | Orix Buffaloes |
| PL runners-up | Chiba Lotte Marines |
| Japan Series | |
| Champions | Hanshin Tigers |
| Runners-up | Orix Buffaloes |
| Finals MVP | Koji Chikamoto (Hanshin) |
The 2023 Nippon Professional Baseball season was the 74th season of professional baseball in Japan since Nippon Professional Baseball (NPB) was reorganized in 1950. There are 12 NPB teams, split evenly between the Central League and Pacific League.