2007 Thailand League Division 1
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.
Member clubs in Group A
- Customs Depart
- Coke-Bangpra
- Rattana Bundit
- Khonkaen
- Raj-Vithi
- Surat Thani
- Thai Airways
- Narathiwat
- Air Force Training College
- Sakon Nakhon
- Bangkok Bravo
- Ratchaburi
Member clubs in Group B
- Chula-Sinthana
- Samut Songkhram
- Royal Thai Air Force
- Chanthaburi
- Phitsanulok
- Sriracha
- Nakhon Sawan
- Bangkok North Central ASSN
- Nakhon Ratchasima
- Sisaket
- Chachoengsao
- Royal Thai Marine
Final league standings
Group A
Group B
Playoffs
Third place match
;First Leg;Second Leg
''Coke-Bangpra won 4–1 on aggregate.''
Final
;First Leg;Second Leg
''Customs Department won 1 – 4 on Penalties after Two Leg Draw 6–6 on aggregate.''