| 2023 NPB season | |
| League: | Nippon Professional Baseball |
| Sport: | Baseball |
| Duration: | March 30 - October 9 |
| No Of Games: | 143 |
| No Of Teams: | 12 |
| Season2: | Central League Pennant |
| League Champs2: | Hanshin Tigers |
| Second Place2: | Hiroshima Toyo Carp |
| Mvp2: | Shoki Murakami |
| Mvp Link2: | Nippon Professional Baseball Most Valuable Player Award |
| Season3: | Pacific League Pennant |
| League Champs3: | Orix Buffaloes |
| Second Place3: | Chiba Lotte Marines |
| Mvp3: | Yoshinobu Yamamoto |
| Mvp Link3: | Nippon Professional Baseball Most Valuable Player Award |
| Playoffs: | Climax Series |
| Conf1: | CL |
| Conf1 Link: | 2023 Central League Climax Series |
| Conf1 Champ: | Hanshin Tigers |
| Conf1 Runner-Up: | Hiroshima Toyo Carp |
| Conf2: | PL |
| Conf2 Link: | 2023 Pacific League Climax Series |
| Conf2 Champ: | Orix Buffaloes |
| Conf2 Runner-Up: | Chiba Lotte Marines |
| Finals: | Japan Series |
| Finals Link: | 2023 Japan Series |
| Finals Champ: | Hanshin Tigers |
| Finals Runner-Up: | Orix Buffaloes |
| Finals Mvp: | Koji Chikamoto (Hanshin) |
| Finals Mvp Link: | Japan Series Most Valuable Player Award |
| Seasonslist: | List of Nippon Professional Baseball seasons |
| Seasonslistnames: | NPB |
| Prevseason Link: | 2022 Nippon Professional Baseball season |
| Prevseason Year: | 2022 |
| Nextseason Link: | 2024 Nippon Professional Baseball season |
| Nextseason Year: | 2024 |
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.
| Team | G | W | L | T | GB | Home | Road | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Hanshin Tigers | 143 | 85 | 53 | 5 | — | 45–23–3 | 40–30–2 | ||
| 2 | Hiroshima Toyo Carp | 143 | 74 | 65 | 4 | 11½ | 44–26–2 | 30–39–2 | ||
| 3 | Yokohama DeNA BayStars | 143 | 74 | 66 | 3 | 12 | 39–30–2 | 35–36–1 | ||
| 4 | Yomiuri Giants | 143 | 71 | 70 | 2 | 15½ | 39–30–2 | 32–40–0 | ||
| 5 | Tokyo Yakult Swallows | 143 | 57 | 83 | 3 | 29 | 36–36–0 | 21–47–3 | ||
| 6 | Chunichi Dragons | 143 | 56 | 82 | 5 | 29 | 30–39–3 | 26–43–2 | ||
| Team | G | W | L | T | GB | Home | Road | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Orix Buffaloes | 143 | 86 | 53 | 4 | — | 41–28–3 | 45–25–1 | ||
| 2 | Chiba Lotte Marines | 143 | 70 | 68 | 5 | 15½ | 42–27–2 | 28–40–3 | ||
| 3 | Fukuoka SoftBank Hawks | 143 | 71 | 69 | 3 | 15½ | 39–32–0 | 32–37–3 | ||
| 4 | Tohoku Rakuten Golden Eagles | 143 | 70 | 71 | 2 | 17 | 38–33–1 | 32–38–1 | ||
| 5 | Saitama Seibu Lions | 143 | 65 | 77 | 1 | 22½ | 33–37–1 | 32–40–0 | ||
| 6 | Hokkaido Nippon-Ham Fighters | 143 | 60 | 82 | 1 | 27½ | 31–40–0 | 29–42–1 | ||
| G | W | L | T | Win% | GB | Home | Away | ||
|---|---|---|---|---|---|---|---|---|---|
| Yokohama DeNA BayStars | 18 | 11 | 7 | 0 | .611 | - | 6–3 | 5–4 | |
| Fukuoka SoftBank Hawks | 18 | 11 | 7 | 0 | .611 | - | 4–5 | 7–2 | |
| Yomiuri Giants | 18 | 11 | 7 | 0 | .611 | - | 5–4 | 6–3 | |
| Orix Buffaloes | 18 | 11 | 7 | 0 | .611 | - | 4–5 | 7–2 | |
| Hokkaido Nippon-Ham Fighters | 18 | 10 | 8 | 0 | .556 | 1 | 4–5 | 6–3 | |
| Tohoku Rakuten Golden Eagles | 18 | 9 | 9 | 0 | .500 | 2 | 5–4 | 4–5 | |
| Hiroshima Toyo Carp | 18 | 9 | 9 | 0 | .500 | 2 | 4–5 | 5–4 | |
| Chiba Lotte Marines | 18 | 7 | 9 | 2 | .438 | 3 | 5–4 | 2–5−2 | |
| Chunichi Dragons | 18 | 7 | 10 | 1 | .412 | 3½ | 2–6−1 | 5–4 | |
| Hanshin Tigers | 18 | 7 | 10 | 1 | .412 | 3½ | 4–4−1 | 3–6 | |
| Tokyo Yakult Swallows | 18 | 7 | 11 | 0 | .389 | 4 | 3–6 | 4–5 | |
| Saitama Seibu Lions | 18 | 6 | 12 | 0 | .333 | 5 | 4–5 | 2–7 |
See main article: 2023 Pacific League Climax Series and 2023 Central League Climax Series.
The series started with a 1–0 advantage for the first-placed team.