2012–13 Turkish Basketball League
The 2012–13 Turkish Basketball League, which is called Beko Basketball League due to sponsorship reasons, was the 47th season of the top professional basketball league in Turkey.
The regular season started on October 13, 2012, and ended on May 15, 2013. Playoffs started on May 17, 2013, and ended on June 15, 2013. Beşiktaş were the defending champions. Galatasaray Medical Park won their 5th title, after not winning one for twenty three years.
Clubs and arenas
The league consists of the following member clubs:| Club | Location | Foun.Year | Arena | Capacity | Last Year | Head Coach |
| Aliağa Petkim | İzmir | 1963 | Enka Sport Hall | 2,500 | 7th, QF |  Regular seasonLeague table |