Insee Police United F.C.
| Police United|
| Pattaya United
Police United 7–0 Trat
(22 April 2015)
Trat 0–5 PTT Rayong
(4 July 2015)
Phichit F.C., Ayutthaya F.C., Phuket F.C., TTM Customs F.C., Trat F.C.
2014 Thai Division 1 League
2015 Thai League Division 1 (known as Yamaha League 1 for sponsorship reasons) was the 18th season of the League since its establishment in 1997. It is the feeder league for the Thai Premier League. A total of 20 teams competed in the league this season.
2015 Thai Division 1 League Wikipedia
Promoted to Thai Premier LeagueNakhon Ratchasima Mazda
Relegated to Regional League Division 2Roi Et United
Sriracha Ban Bueng
Relegated from Thai Premier LeaguePolice United
Air Force Central
GSE Samut Songkhram
Promoted from Regional League Division 2Prachuap
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.
The number of foreign players is restricted to five per TPL team, including a slot for a player from AFC countries. A team can use four foreign players on the field in each game, including at least one player from the AFC country.