| Season | 2018 |
|---|---|
| Dates | 9 February 2018 – 7 October 2018 |
| Champions | Buriram United |
| Relegated | Bangkok Glass Police Tero Navy Ubon UMT United Air Force Central |
| Qualified to 2019 ACL | Buriram United (group stage) Bangkok United (preliminary round 2) Chiangrai United (preliminary round 2) |
| Matches played | 306 |
| Goals scored | 936 (3.06 per match) |
| Top goalscorer | Diogo (34 goals) |
| Biggest home win | 6 goals difference Port 7–1 Navy (20 May 2018) |
| Biggest away win | 5 goals difference Navy 0–5 Port (29 September 2018) |
| Highest scoring | 11 goals Bangkok Glass 7–4 Chonburi (1 July 2018) |
| Longest winning run | 11 matches Bangkok United |
| Longest unbeaten run | 15 matches Buriram United |
| Longest winless run | 15 matches Ubon UMT United |
| Longest losing run | 11 matches Air Force Central |
| Highest attendance | 35,573[1] Buriram United 3–0 Pattaya United (29 September 2018) |
| Lowest attendance | 884[2] Navy 0–5 Port (29 September 2018) |
| Total attendance | 1,366,497 |
| Average attendance | 4,466 |
← 2017 2019 →
All statistics correct as of 27 October 2018. | |
The 2018 Thai League 1 is the 22nd season of the Thai League 1, the top Thai professional league for association football clubs, since its establishment in 1996, also known as Toyota Thai League due to the sponsorship deal with Toyota Motor Thailand. A total of 18 teams will compete in the league. The season began on 9 February 2018 and is scheduled to conclude on 7 October 2018.[3]
Buriram United are the defending champions, while Chainat Hornbill, Air Force Central and Prachuap have entered as the promoted teams from the 2017 Thai League 2.
The 1st transfer window is from 14 November 2017 to 5 February 2018 while the 2nd transfer window is from 1 June 2018 to 29 June 2018.