| Country | Turkey |
|---|---|
| Sport | Basketball |
| Promotion and relegation | Yes |
| National system | |
| Federation | Turkish Basketball Federation |
| Confederation | FIBA Europe |
| Top division | Super League |
| Second division | First League |
| Cup competition | |
| Basketball in Turkey | |
The Turkish basketball league system or Turkish basketball league pyramid, is a series of interconnected competitions for professional basketball clubs in Turkey. The system has a hierarchical format with a promotion and demotion system between competitions at different levels. There are currently five different competitions on the pyramid: the 1st-tier Turkish Basketball Super League (BSL), the 2nd-tier Turkish Basketball First League (TBL), the 3rd-tier Turkish Basketball Second League (TB2L), the 4th-tier Turkish Men's Regional Basketball League (EBBL), and the 5th-tier Men's University League (Ünilig).