2020–21 Swiss Basketball League
| Swiss Basketball League | |
|---|---|
| Teams | 9 |
| Finals | |
| Champions | Fribourg Olympic 19th title |
| Runners-up | Starwings |
← 2019–20 2021–22 → | |
The 2020–21 Swiss Basketball League (SBL) season was the 90th season of the top tier basketball league in Switzerland.
Fribourg Olympic won its third title in a row and its 19th total title, after defeating eight-seeded Starwings in the finals of the playoffs.