Istanbul Basketball League
The Istanbul Basketball League is a defunct regional domestic basketball league competition in Turkish basketball, that was run by the Turkish Basketball Federation, from 1927 to 1966. The league ceased to operate, after the nationwide Turkish Super League was established with the 1966–67 season.Champions
| Club | Titles | Runners-up |
| Galatasaray | 15 | 9 |
| Fenerbahçe | 7 | 3 |
| Maccabi | 6 | 0 |
| Kurtuluş SK | 2 | 3 |
| Beyoğluspor | 1 | 5 |
| Modaspor | 1 | 4 |
| Darüşşafaka SK | 1 | 0 |
| İstanbulspor | 1 | 0 |
| Deniz Harp Okulu | 1 | 0 |
| İTÜ | 0 | 2 |
| Beşiktaş | 0 | 1 |
| Beykozspor | 0 | 1 |
