| Season | 2013 |
|---|---|
| Champions | Air Force AVIA |
| Promoted | Air Force AVIA Singhtarua PTT Rayong |
| Relegated | Rayong Rayong United |
| Matches played | 306 |
| Goals scored | 831 (2.72 per match) |
| Top goalscorer |  Leandro Luz(24 Goals) |
| Biggest home win | Bangkok 7-3 Khonkaen |
| Biggest away win | Sriracha 2-5 Trat |
| Highest scoring | Bangkok 7-3 Khonkaen |
| Longest winning run | 9 games Air Force AVIA |
| Longest unbeaten run | 21 games PTT Rayong |
| Longest winless run | 11 games Rayong |
| Longest losing run | 7 games Rayong United |
| Highest attendance | 23,844 Nakhon Ratchasima 3-2 Khonkaen (22 September 2013) |
| Lowest attendance | 107 Rayong United 1-4 Saraburi (19 October 2013) |
| Total attendance | 785,443 |
← 2012 2014 → | |
2013 Thai League Division 1 (known as Yamaha League 1 for sponsorship reasons) 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.