The 2025–26 Thai League 1 will be the 9th season of Thai League 1 under its current name and the 29th season of top-flight Thai

football Football is a family of team sports that involve, to varying degrees, kick (football), kicking a football (ball), ball to score a goal (sports), goal. Unqualified, football (word), the word ''football'' generally means the form of football t ...

professional league since its establishment in 1996. The season is scheduled to begin on 15 August 2025 and will conclude sometime in 2026. Buriram United entered the season as the four-time defending champions, having won their 4th consecutive league title and 11th overall Thai top-flight football title in the previous season.

Overview

Promotion and relegation (pre-season)

16 teams will compete in the league – the thirteen teams from previous season and three teams promoted from

Thai League 2 Thai League 2 (), commonly known as the T2, formally called Thai Division 1 League, is the second-tier professional league in the Thai football league system. Seasons typically run from August to May, with each team playing 34 games : two agai ...

Teams promoted from Thai League 2

Chonburi Chonburi (, , IAST: , ) is the capital of Chonburi Province and, as part of the district Mueang Chonburi District, Mueang Chonburi, the List of municipalities in Thailand, seventh-largest city in Thailand. It is about 100 km southeast of Ba ...

and Ayutthaya United became the first two teams to be promoted on 26 April 2025 after winning their respective matches. Chonburi were also crowned champions by defeating

Suphanburi Suphan Buri () is a town ('' thesaban mueang'') in central Thailand. It covers ''tambon'' Tha Philiang and parts of ''tambons'' Rua Yai and Tha Rahat, all within the Mueang Suphan Buri District. As of 2006 it had a population of 26,656. The tow ...

0–1 in an away match, while Ayutthaya United beat

Bangkok Bangkok, officially known in Thai language, Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand. The city occupies in the Chao Phraya River delta in central Thailand and has an estim ...

5–1. Kanchanaburi Power became the last team to be promoted after their win against

Phrae United Phrae United Football Club ( Thai: สโมสรฟุตบอลแพร่ยูไนเต็ด) is a Thai professional football Football is a family of team sports that involve, to varying degrees, kick (football), kicking a foo ...

4–5 on aggregate in promotion play-off match. Chonburi returned to the top division after a one-season absence, while for Ayutthaya United and Kanchanaburi Power this was their first season in the top division in their history, respectively.

Teams relegated to Thai League 2

Khonkaen United became the first team to be relegated on 30 March 2025 after suffering a 0–5 defeat to

Bangkok United True Bangkok United Football Club () is a professional football club based in Pathum Thani province, Thailand. Known as Bangkok University Football Club until 2009, the club was relegated from the 2010 Thai Premier League only four years afte ...

. The result ended their time in the top division for 4 seasons. Nakhon Pathom United became the second team to be relegated on 13 April 2025 after earning a 2–2 draw against

Port A port is a maritime facility comprising one or more wharves or loading areas, where ships load and discharge cargo and passengers. Although usually situated on a sea coast or estuary, ports can also be found far inland, such as Hamburg, Manch ...

. The result ended their time in the top division for 2 seasons. Nongbua Pitchaya became the third and final team to be relegated after suffering a 1–2 defeat to Port and

Rayong Rayong (, ) is a city (''thesaban nakhon'') on the east coast of the Gulf of Thailand and the capital of Rayong province. It covers tambons Tha Pradu and Pak Nam and parts of ''tambons'' Choeng Noen and Noen Phra, all within Mueang Rayong dist ...

's win over Khonkaen United on 20 April 2025. These results meant that Nongbua Pitchaya only lasted one season in the top division and returned to the second division.

Teams

Changes

The following teams have changed division since the 2024–25 season.

To Thai League 1

Promoted from the

* Ayutthaya United * Kanchanaburi Power

From Thai League 1

Relegated to the

* Khonkaen United * Nakhon Pathom United * Nongbua Pitchaya

Teams by province

# Special administrative area.

Stadiums and locations

Personnel and kits

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 and coaches may hold more than one non-FIFA nationality. # Interim. # Apparel made by club. # Apparel used on other competition.

Managerial changes

Pre-season

During the season

Foreign players

Each team can register a maximum of seven foreign players, and no limit number of players from the AFF. * Players named in bold indicates the player was registered during the mid-season transfer window. * Former players named in ''italics'' are players that were out of squad or left the club within the season, after the pre-season transfer window, or in the mid-season transfer window, and at least had one appearance. Note: Flags indicate national team as has been defined under

eligibility rules. Players may hold more than one non-FIFA nationality.

Foreign players by confederation

Dual citizenship/heritage players

* Players name in bold indicates the player was registered during the mid-season transfer window. * Player's name in ''italics'' indicates

Overseas Thai Overseas Thai people () number approximately 1.1 million persons worldwide. They can be roughly divided into two groups: A "non-resident Thai people, Thai" is a citizen of Thailand who holds a Thai passport and has temporarily emigrated to another ...

players whom have obtained an Thailand passport and citizenship, therefore being considered as local players. Notes: : Carrying Thai heritage. : Capped for

Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...

League table

Results

Fixture and result

Season statistics

Top Goalscorers

Top Assists

Hat-trick

Clean sheets

Attendances

Overall

Home match played

Source
Thai League 1 2025–26
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References

External links

* {{DEFAULTSORT:Thai 2025-26 2025–26 in Asian association football leagues 2025–26 in Asian football