2018–19 Korisliiga season
| Korisliiga | |
|---|---|
| Season | 2018–19 | 
| Duration | 7 October 2018 – May 2019 | 
| Teams | 11 | 
| Finals | |
| Champions | Karhu (2nd title) | 
| Runners-up | Kouvot | 
| Third place | KTP | 
| Fourth place | Vilpas | 
← 2017–18  2019–20 →   | |
The 2018–19 Korisliiga season was the 79th season of the top professional basketball league in Finland. Karhu successfully defended their title to repeat as Finnish national champions.