2012 Thai Division 1 League
2012 Thai League Division 1 (known as Yamaha League 1 for sponsorship reasons) is the 15th season of the League since its establishment in 1997. It is the feeder league for the Thai Premier League. A total of 18 teams will compete in the league this season. Changes from last season. Team changes. From Division 1. Promoted to 2012 Thai Premier League Relegated to Regional League Division 2 To Division 1. Relegated from Thai Premier League Promoted from Regional League Division 2 League table. <onlyinclude></onlyinclude>