| Season | 2009 |
|---|---|
| Champions | Raj Pracha-Nonthaburi |
| Promoted | Raj Pracha-Nonthaburi Chiangrai United Narathiwat |
| Goals scored | 49 |
| Biggest home win | Narathiwat 3 - 1 Loei City |
| Biggest away win | Narathiwat 0 - 2 Raj Pracha-Nonthaburi |
| Highest scoring | Loei City 3 - 3 Chiangrai United (6) |
← 2008 2010 → | |
2009 Regional League Division 2 was contested by the five regional league winners of the 3rd level championships of Thailand.
Five teams met on a home and away basis, with the top three teams gaining promotion to the Thai 1st Division for the 2010 campaign.