2008–09 Turkish Basketball League
The 2008–09 Turkish Basketball League was the 43rd season of the top professional basketball league in Turkey. Efes Pilsen won the championship.
Regular season standings
| Clinches Play-off berth | |
| Eliminated from the Play-offs | |
| Relegated |
| Pos | Club | Pld | W | L | PF | PA | Pts |
| 1 | Efes Pilsen | 30 | 28 | 2 | 2615 | 2156 | 58 |
| 2 | Türk Telekom | 30 | 22 | 8 | 2489 | 2319 | 52 |
| 3 | Fenerbahçe Ülker | 30 | 22 | 8 | 2556 | 2124 | 52 |
| 4 | Galatasaray Cafe Crown | 30 | 20 | 10 | 2321 | 2196 | 50 |
| 5 | Beşiktaş Cola Turka | 30 | 18 | 12 | 2485 | 2388 | 48 |
| 6 | Antalya BB | 30 | 17 | 13 | 2466 | 2529 | 47 |
| 7 | Mersin BB | 30 | 15 | 15 | 2496 | 2425 | 45 |
| 8 | Darüşşafaka Cooper Tires | 30 | 14 | 16 | 2239 | 2319 | 44 |
| 9 | Pınar Karşıyaka | 30 | 13 | 17 | 2324 | 2440 | 43 |
| 10 | Oyak Renault | 30 | 13 | 17 | 2268 | 2308 | 43 |
| 11 | Erdemirspor | 30 | 12 | 18 | 2178 | 2269 | 42 |
| 12 | Banvitspor | 30 | 12 | 18 | 2536 | 2626 | 42 |
| 13 | Kepez Belediyesi | 30 | 11 | 19 | 2289 | 2477 | 41 |
| 14 | Aliağa Petkim | 30 | 10 | 20 | 2321 | 2459 | 40 |
| 15 | Mutlu Akü Selçuk Üniversitesi | 30 | 10 | 20 | 2303 | 2517 | 40 |
| 16 | CASA TED Kolejliler | 30 | 3 | 27 | 2058 | 2392 | 33 |