| 1988 NPB season | |
|---|---|
| League | Nippon Professional Baseball |
| Sport | Baseball |
| Regular Season | |
| Season MVP | CL: Genji Kaku (CHU) PL: Hiromitsu Kadota (NAN) |
| League Postseason | |
| CL champions | Chunichi Dragons |
| CL runners-up | Yomiuri Giants |
| PL champions | Seibu Lions |
| PL runners-up | Kintetsu Buffaloes |
| Japan Series | |
| Champions | Seibu Lions |
| Runners-up | Chunichi Dragons |
| Finals MVP | Hiromichi Ishige (SEI) |
The 1988 Nippon Professional Baseball season was the 39th season of operation for the league.