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 |
| 1 | Efes Pilsen | ||||||
| 2 | Türk Telekom | ||||||
| 3 | Fenerbahçe Ülker | ||||||
| 4 | Galatasaray Cafe Crown | ||||||
| 5 | Beşiktaş Cola Turka | ||||||
| 6 | Antalya BB | ||||||
| 7 | Mersin BB | ||||||
| 8 | Darüşşafaka Cooper Tires | ||||||
| 9 | Pınar Karşıyaka | ||||||
| 10 | Oyak Renault | ||||||
| 11 | Erdemirspor | ||||||
| 12 | Banvitspor | ||||||
| 13 | Kepez Belediyesi | ||||||
| 14 | Aliağa Petkim | ||||||
| 15 | Mutlu Akü Selçuk Üniversitesi | ||||||
| 16 | CASA TED Kolejliler |
Clubs and Arenas
The league consists of the following member clubs:| Club | City | Foun.Year | Arena | Capacity | Nr.Ch. | Last Year |
| Aliağa Belediyesispor | İzmir | Enka Sport Hall | 2nd | |||
| Antalya BŞB | Antalya | Dilek Sabancı Sport Hall | 6th, QF | |||
| Bandırma Banvit | Balıkesir | Kara Ali Acar Sport Hall | 8th, QF | |||
| Beşiktaş Cola Turka | Istanbul | BJK Akatlar Arena | 1st, SF | |||
| CASA TED Kolejliler | Ankara | TOBB Sport Hall | 9th | |||
| Darüşşafaka | Istanbul | Ayhan Sahenk Sport Hall | 14th | |||
| Efes Pilsen | Istanbul | Ayhan Sahenk Sport Hall | 2nd, SF | |||
| Erdemirspor | Zonguldak | Erdemir Sport Hall | Winner | |||
| Fenerbahçe Ülker | Istanbul | Abdi İpekçi Arena | 3rd, Winner | |||
| Galatasaray Café Crown | Istanbul | Ayhan Sahenk Sport Hall | 5th, QF | |||
| Kepez Belediyesi | Antalya | Dilek Sabancı Sport Hall | 11th | |||
| Mersin Büyükşehir Belediyespor | Mersin | Edip Buran Sport Hall | 10th | |||
| Mutlu Akü Selçuk Üniversitesi | Konya | Selçuk Üniversity 19 Mayıs Sport Hall | 13th | |||
| Oyak Renault | Bursa | Bursa Atatürk Sport Hall | 12th | |||
| Pınar Karşıyaka | İzmir | Karşıyaka Pınar Arena | 7th, QF | |||
| Türk Telekom | Ankara | Ankara Atatürk Sport Hall | 4th, RU |