2017–18 Slovak Basketball League
| Extraliga | |
|---|---|
| Season | 2017–18 |
| Teams | 10 |
| Finals | |
| Champions | Levickí Patrioti (2nd title) |
| Runners-up | Košice |
| Third place | Inter Bratislava |
| Fourth place | MBK Rieker Komarno |
← 2016–17 2018–19 → | |
The 2017–18 Slovak Basketball League season was the 26th season of the top-tier basketball competition in Slovakia. Inter Bratislava was the defending champion, but was eliminated in the semifinals. Levickí Patrioti won their second league.