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

Thai League 1 The Thai League (, pronounced as ') or Thai League 1 (, pronounced as '), often referred to as T1, is the highest level of the Thai football league system. Contested by 16 clubs, it operates on a system of promotion and relegation with Thai L ...

, 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 Football player, players who almost exclusively use their feet to propel a Ball (association football), ball around a rectangular f ...

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 () is a Thai professional football club based in Buriram. The club has played at the top level of Thai football for the majority of their existence and competes in the Thai League 1. The club was founded in 1970 as P ...

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 2017 Thai League 2 (known as the M-150 Championship for sponsorship reasons) is the 20th season of the League since its establishment in 1997. It is the feeder league for the Thai League T1. A total of 18 teams will compete in the league this ...

. 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

* Chainat Hornbill * Air Force Central * Prachuap

Relegated clubs

Relegated from the 2017 Thai League * Thai Honda Ladkrabang *

Sisaket Sisaket (, , ; Northern Khmer dialect, Northern Khmer: ) is a Thesaban#Town municipality, town municipality in Isan, northeast Thailand, incorporating Mueang Nuea and Mueang Tai Subdistricts and parts of Cham, Nong Khrok, Pho, Phon kha, and Ya P ...

* 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 (; , ) is the national stadium of Thailand national football team. It is part of the Hua Mak Sports Complex, and is located in Hua Mak Subdistrict, Bang Kapi, Bangkok. Its official opening on 6 December 1998 co ...

for their round 8 tie against Chiangrai United

Personnel and sponsoring

Note: Flags indicate national team as has been defined under

FIFA The Fédération Internationale de Football Association (), more commonly known by its acronym FIFA ( ), is the international self-regulatory governing body of association football, beach soccer, and futsal. It was founded on 21 May 1904 to o ...

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 Victor Mattos Cardozo (born 19 December 1989), simply known as Victor or Victor Cardozo, is a Brazilian footballer who currently plays for Thai League 1 club Lamphun Warriors, on loan from BG Pathum United. Honours ;Ubon UMT United * Regio ...

and

Atit Daosawang Atit Daosawang () is a Thai former professional association football, footballer who plays as a Defender (football)#Defender, centre-back. Football career Atit Daosawang is known as the youngest player to play the Thai Premier League in 2009. He ...

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 The Association of Southeast Asian Nations, commonly abbreviated as ASEAN, is a regional grouping of 10 states in Southeast Asia "that aims to promote economic and security cooperation among its ten members." Together, its member states r ...

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
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Hat-tricks

Clean sheets