1955 Nippon Professional Baseball season
The 1955 Nippon Professional Baseball season was the sixth season of operation of Nippon Professional Baseball.
Regular season
Standings
| Team | G | W | L | T | Pct. | GB |
| Nankai Hawks | 143 | 99 | 41 | 3 | .707 | — |
| Nishitetsu Lions | 144 | 90 | 50 | 4 | .643 | 9.0 |
| Mainichi Orions | 142 | 85 | 55 | 2 | .607 | 14.0 |
| Hankyu Braves | 142 | 80 | 60 | 2 | .571 | 19.0 |
| Kintetsu Pearls | 142 | 60 | 80 | 2 | .429 | 39.0 |
| Daiei Stars | 141 | 53 | 87 | 1 | .379 | 46.0 |
| Toei Flyers | 143 | 51 | 89 | 3 | .364 | 48.0 |
| Tombo Unions | 141 | 42 | 98 | 1 | .300 | 57.0 |
Postseason
Japan Series
League leaders
Central League
| Stat | Player | Team | Total |
| Batting average | Tetsuharu Kawakami | Yomiuri Giants | .338 |
| Home runs | Yukihiko Machida | Kokutetsu Swallows | 31 |
| Runs batted in | Tetsuharu Kawakami | Yomiuri Giants | 78 |
| Runs | Takao Sato | Kokutetsu Swallows | 77 |
| Hits | Tetsuharu Kawakami Yoshio Yoshida | Yomiuri Giants Osaka Tigers | 147 |
| Stolen bases | Itsuro Honda | Chunichi Dragons | 42 |
| Stat | Player | Team | Total |
| Wins | Ryohei Hasegawa Takumi Otomo | Hiroshima Carp Yomiuri Giants | 30 |
| Losses | Masatoshi Gondo | Taiyo Whales | 21 |
| Earned run average | Takehiko Bessho | Yomiuri Giants | 1.33 |
| Strikeouts | Masaichi Kaneda | Kokutetsu Swallows | 350 |
| Innings pitched | Masaichi Kaneda | Kokutetsu Swallows | 400 |
Pacific League
| Stat | Player | Team | Total |
| Batting average | Futoshi Nakanishi | Nishitetsu Lions | .332 |
| Home runs | Futoshi Nakanishi | Nishitetsu Lions | 35 |
| Runs batted in | Kazuhiro Yamauchi | Mainichi Orions | 99 |
| Runs | Chico Barbon | Hankyu Braves | 105 |
| Hits | Tokuji Iida Chico Barbon | Nankai Hawks Hankyu Braves | 163 |
| Stolen bases | Masao Morishita | Nankai Hawks | 59 |
| Stat | Player | Team | Total |
| Wins | Motoji Takuwa | Nankai Hawks | 24 |
| Losses | Yasuo Yonekawa | Toei Flyers | 21 |
| Earned run average | Takashi Nakagawa | Mainichi Orions | 2.08 |
| Strikeouts | Hisafumi Kawamura | Nishitetsu Lions | 225 |
| Innings pitched | Yasuo Yonekawa | Toei Flyers | 353 |
Awards
- Most Valuable Player
- *Tetsuharu Kawakami, Yomiuri Giants
- *Tokuji Iida, Nankai Hawks
- Rookie of the Year
- *Kazunori Nishimura, Osaka Tigers
- *Kihachi Enomoto, Mainichi Orions
- Eiji Sawamura Award
- *Takehiko Bessho, Yomiuri Giants
| Position | Player | Team |
| Pitcher | Takehiko Bessho | Yomiuri Giants |
| Catcher | Jun Hirota | Yomiuri Giants |
| First baseman | Tetsuharu Kawakami | Yomiuri Giants |
| Second baseman | Noboru Inoue | Chunichi Dragons |
| Third baseman | Toshikazu Kodama | Chunichi Dragons |
| Shortstop | Yoshio Yoshida | Osaka Tigers |
| Outfielder | Hiroyuki Watanabe | Osaka Tigers |
| Outfielder | Wally Yonamine | Yomiuri Giants |
| Outfielder | Yukihiko Machida | Kokutetsu Swallows |
| Position | Player | Team |
| Pitcher | Taisei Nakamura | Nankai Hawks |
| Catcher | Charlie Lewis | Mainichi Orions |
| First baseman | Kohei Sugiyama | Nankai Hawks |
| Second baseman | Isami Okamoto | Nankai Hawks |
| Third baseman | Futoshi Nakanishi | Nishitetsu Lions |
| Shortstop | Chusuke Kizuka | Nankai Hawks |
| Outfielder | Kazuhiro Yamauchi | Mainichi Orions |
| Outfielder | Tokuji Iida | Nankai Hawks |
| Outfielder | Katsuki Tokura | Hankyu Braves |