The 2018 Thai League 1 is the 22nd season of the

Thai League 1 The Thai League 1 ( th, ไทยลีก 1), often referred to as T1, is the top level of the Thai football league system. Contested by 16 clubs, it operates on a system of promotion and relegation with Thai League 2. Seasons run from August ...

, the top Thai professional league for

association football Association football, more commonly known as football or soccer, is a team sport played between two teams of 11 players who primarily use their feet to propel the ball around a rectangular field called a pitch. The objective of the game is ...

clubs, since its establishment in 1996, also known as Toyota Thai League due to the sponsorship deal with

Toyota Motor Thailand Toyota Motor Thailand Co., Ltd. (TMT) is the wholly owned subsidiary of Toyota Motor Corporation in Thailand, established in 1962. In 1979, Toyota began making pressed body parts in Thailand. In 1989, TMT began manufacturing engines locally. TMT ...

. 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.

Buriram United Buriram United Football Club ( th, สโมสรฟุตบอลบุรีรัมย์ ยูไนเต็ด) is a professional football club based in Buriram, Thailand. The club has played at the top level of Thai football for the ...

are the defending champions, while

Chainat Hornbill Chainat Hornbill Football Club ( Thai สโมสรฟุตบอลชัยนาท ฮอร์นบิล) is a Thai professional association football club based in Chai Nat province. The club plays in Thai League 2. History Foundation ...

, 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.

Changes from last season

Team changes

Promoted clubs

Promoted from the 2017 Thai League 2 *

* Air Force Central * Prachuap

Relegated clubs

Relegated from the

2017 Thai League The 2017 Thai League T1 (also known as the Toyota Thai League for sponsorship reasons) was the 21st season of the Thai League, the top Thai professional league for association football clubs, since its establishment in 1996. A total of 18 teams w ...

* Thai Honda Ladkrabang *

Sisaket ) , leader_title1 = , leader_name1 = , leader_title2 = , leader_name2 = , leader_title3 = , leader_name3 = , leader_title4 ...

* Super Power Samut Prakan

Renamed clubs

* Super Power Samut Prakan authorize from Jumpasri United * Prachuap was renamed to PT Prachuap

Teams

Stadium and locations

:''Note: Table lists in alphabetical order.'' ;Notes :Bangkok United used the

Rajamangala National Stadium The Rajamangala National Stadium ( th, ราชมังคลากีฬาสถาน; , ) is the national stadium of Thailand. It is part of the Hua Mak Sports Complex, and is located in Hua Mak Subdistrict, Bang Kapi, Bangkok. It officia ...

for their round 8 tie against Chiangrai United

Personnel and sponsoring

Note: Flags indicate national team as has been defined under

FIFA FIFA (; stands for ''Fédération Internationale de Football Association'' ( French), meaning International Association Football Federation ) is the international governing body of association football, beach football and futsal. It was found ...

eligibility rules. Players may hold more than one non-FIFA nationality. ;Notes : Gilberto Macena is the official captain of Chiangrai United, but due to his season long injury, Victor Cardozo and Atit Daosawang filled in as captain for Chiangrai United.

Managerial changes

Foreign players

A T1 team could registered five foreign players by at least one player from AFC member countries and at least one player from

ASEAN ASEAN ( , ), officially the Association of Southeast Asian Nations, is a political and economic union of 10 member states in Southeast Asia, which promotes intergovernmental cooperation and facilitates economic, political, security, militar ...

member countries. A team can use four foreign players on the field in each game, including at least one player from the AFC member countries or ASEAN member countries (3+1). :Note :
: players who released during summer transfer window;
: players who registered during summer transfer window;
↔: players who have dual nationality by half-caste or naturalization.
→: players who left club after registered during first or second leg.

League table

Standings

Positions by round

Results by match played

Results

Season statistics

Top scorers

:''As of 7 October 2018.''

Top assists

:''As of 7 October 2018.''TopAssists&Tournament
/ref>

Hat-tricks

Clean sheets