2018 Thai League 1
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]
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.
Changes from last season
Team changes
Promoted clubs
Promoted from the 2017 Thai League 2
- Chainat Hornbill
- Air Force Central
- Prachuap
Relegated clubs
Relegated from the
- Thai Honda Ladkrabang
- Sisaket
- Super Power Samut Prakan
Renamed clubs
- Super Power Samut Prakan authorize from Jumpasri United
- PT Prachuap