| 1975 NPB season | |
|---|---|
| League | Nippon Professional Baseball |
| Sport | Baseball |
| Regular Season | |
| Season MVP | CL: Koji Yamamoto (HIR) PL: Hideji Kato (HAN) |
| League Postseason | |
| CL champions | Hiroshima Toyo Carp |
| CL runners-up | Chunichi Dragons |
| PL champions | Hankyu Braves |
| PL runners-up | Kintetsu Buffaloes |
| Japan Series | |
| Champions | Hankyu Braves |
| Runners-up | Hiroshima Toyo Carp |
| Finals MVP | Takashi Yamada (HAN) |
The 1975 Nippon Professional Baseball season was the 26th season of operation for the league. This would be a watershed year for the league at large with the Pacific League officially adopting the designated hitter rule, just two years following its introduction in Major League Baseball with the American League.