2005 Nippon Professional Baseball season
In the Nippon Professional Baseball season ended with the Chiba Lotte Marines of the Pacific League defeating the Hanshin Tigers of the Central League in a four-game sweep in the Nippon Series.
Format
Central League
- Season format
- * Regular season
- Regular season 1st place is the champion
Pacific League
- Season format
- * Regular season
- * Playoff 1st stage: Regular season 2nd place vs. regular season 3rd place – Best of 3
- * Playoff 2nd stage: Regular season 1st place vs. playoff 1st stage winner – Best of 5
- Playoff 2nd stage winner is the champion
Japan Series
- Central League champion vs. Pacific League champion – Best of 7
Standings
Pacific League
Playoff 1st stage
'''Chiba Lotte Marines vs. Seibu Lions '''Playoff 2nd stage
'''Fukuoka SoftBank Hawks vs. Chiba Lotte Marines '''Awards
Best Nine Awards
Central League| Position | Player | Team |
| P | Hiroki Kuroda | Hiroshima Toyo Carp |
| C | Akihiro Yano | Hanshin Tigers |
| 1B | Takahiro Arai | Hiroshima Toyo Carp |
| 2B | Masahiro Araki | Chunichi Dragons |
| 3B | Makoto Imaoka | Hanshin Tigers |
| SS | Hirokazu Ibata | Chunichi Dragons |
| OF | Norihiro Akahoshi | Hanshin Tigers |
| OF | Norichika Aoki | Yakult Swallows |
| OF | Tomoaki Kanemoto | Hanshin Tigers |
Pacific League
| Position | Player | Team |
| P | Toshiya Sugiuchi | Fukuoka SoftBank Hawks |
| C | Kenji Johjima | Fukuoka SoftBank Hawks |
| 1B | Julio Zuleta | Fukuoka SoftBank Hawks |
| 2B | Koichi Hori | Chiba Lotte Marines |
| 3B | Toshiaki Imae | Chiba Lotte Marines |
| SS | Tsuyoshi Nishioka | Chiba Lotte Marines |
| OF | Matt Franco | Chiba Lotte Marines |
| OF | Katsuhiko Miyaji | Fukuoka SoftBank Hawks |
| OF | Kazuhiro Wada | Seibu Lions |
| DH | Nobuhiko Matsunaka | Fukuoka SoftBank Hawks |
Gold Gloves
Central League| Position | Player | Team |
| P | Hiroki Kuroda | Hiroshima Toyo Carp |
| C | Akihiro Yano | Hanshin Tigers |
| 1B | Andy Sheets | Hanshin Tigers |
| 2B | Masahiro Araki | Chunichi Dragons |
| 3B | Akinori Iwamura | Yakult Swallows |
| SS | Hirokazu Ibata | Chunichi Dragons |
| OF | Kosuke Fukudome | Chunichi Dragons |
| OF | Norihiro Akahoshi | Hanshin Tigers |
| OF | Tatsuhiko Kinjo | Yokohama BayStars |
Pacific League
| Position | Player | Team |
| P | Daisuke Matsuzaka | Seibu Lions |
| C | Kenji Johjima | Fukuoka SoftBank Hawks |
| 1B | Kazuya Fukuura | Chiba Lotte Marines |
| 2B | Tsuyoshi Nishioka | Chiba Lotte Marines |
| 3B | Toshiaki Imae | Chiba Lotte Marines |
| SS | Makoto Kosaka | Chiba Lotte Marines |
| OF | Tsuyoshi Shinjo | Hokkaido Nippon-Ham Fighters |
| OF | Saburo Ohmura | Chiba Lotte Marines |
| OF | Naoyuki Ohmura | Fukuoka SoftBank Hawks |