2020–21 Slovak Basketball League
| Extraliga | |
|---|---|
| Season | 2020–21 |
| Teams | 7 |
| Finals | |
| Champions | Spišskí Rytieri (1st title) |
| Runners-up | Patrioti Levice |
← 2019–20 2021–22 → | |
The 2020–21 Slovak Basketball League season was the 29th season of the top-tier basketball competition in Slovakia. Spišskí Rytieri won its first ever Slovak championship. Rytieri also won the Slovak Basketball Cup, thus winning the double.