| 2018 KBO League | |
|---|---|
 | |
| League | KBO League |
| Sport | Baseball |
| Duration | March 24 – October 14 |
| Number of games | 144 per team |
| Number of teams | 10 |
| Total attendance | 8,073,742 |
| Regular Season | |
| Season champions | Doosan Bears |
| Season MVP | Kim Jae-hwan (Doosan) |
| Postseason | |
| Wild Card champions | Nexen Heroes |
| Wild Card runners-up | KIA Tigers |
| Semi-playoffs champions | Nexen Heroes |
| Semi-playoffs runners-up | Hanwha Eagles |
| Playoffs champions | SK Wyverns |
| Playoffs runners-up | Nexen Heroes |
| Korean Series | |
| Champions | SK Wyverns |
| Runners-up | Doosan Bears |
| Finals MVP | Han Dong-min (SK) |
The 2018 KBO League season was the 37th season in the history of the KBO League.