| Season | 2007 |
|---|---|
| Champions | Customs Department |
| Promoted | Coke-Bangpra Chula-Sinthana Samut Songkhram Customs Department |
| Relegated | Narathiwat Air Force Training College Sakon Nakhon Bangkok Bravo Ratchaburi Bangkok North Central Association Nakhon Ratchasima Sisaket Cha Choeng Sao Royal Thai Marine College |
← 2005–06 2008 → | |
The 2007 Thailand League Division 1 was played in two groups of 12 teams. The top two teams of each group were promoted and the bottom five teams of each group were relegated as the Thai football league system was in the process of being restructured.
Customs Department were crowned champions after winning the end of season championship finals played between the promoted sides.