The top three teams Raj Pracha Nonthaburi, Chiangrai United, and Nara United in the 2009Regional League Division 2 were promoted to the 2010 Thai Division 1 League,the feeder league for the Thai Premier League.
1 2 Chiangrai United 3 Nara United Promotion to 2010 Division 1 It is the feeder league for the Thai Premier League. 
