2013 Thai Division 1 League
2013 Thai League Division 1 is the 16th season of the League since its establishment in 1997. It is the feeder league for the Thai Premier League. A total of 18 teams will compete in the league this season.
Changes from last season
Team changes
From Division 1
Promoted to Thai Premier LeagueRelegated to Regional League Division 2
To Division 1
Relegated from Thai Premier LeaguePromoted from Regional League Division 2
Renamed Clubs
- TTM Chiangmai renamed TTM Lopburi.
- after tree game TTM Lopburi renamed TTM.
Expansion Clubs
Teams
Stadia and locations
Personnel and sponsoring
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.| Team | Shirt sponsor | Kit manufacturer | Captain | Head coach | |||||||||||||||
| Air Force AVIA | Group Avia | Kela |  Foreign playersThe number of foreign players is restricted to seven per DIV1 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.
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