The 2026–27 Thai League 1 will be the 10th season of Thai League 1 under its current name and the 30th season of top-flight Thai football professional league since its establishment in 1996. This league is also known as BYD Sealion 6 League I due to the sponsorship deal with BYD Auto. The season is scheduled to begin on 4 September 2026 and will conclude on 30 May 2027.
Buriram United entered the season as the five-time defending champions, having won their fifth consecutive league title and 12th overall Thai top-flight football title the previous season.
In this season, there is a change in the Thai League 1’s foreign player rules, as the ASEAN Quota is abolished.
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.
Teams promoted from Thai League 2 Rasisalai United and Sisaket United became the first two teams to be promoted on 18 April 2026 & 25 April 2026 after winning their respective matches. Pattani became the last team to be promoted after their win on penalties against Nongbua Pitchaya. It was 3–3 on aggregate in the promotion play-off.
Rasisalai & Pattani United secured back-to-back promotion and where promoted to the top tier for the first time in their histories while Sisaket United also secured promotion to the top tier for the first time in their history, thus all the 3 teams promoted are competing in top tier for the first time in their histories.
Teams Changes The following teams have changed division since the 2024–25 season.
To Thai League 1 Promoted from the Thai League 2 Rasisalai United Sisaket United Pattani
From Thai League 1 Relegated to the Thai League 2 Muangthong United Nakhon Ratchasima Kanchanaburi Power
Teams by province Number Province Team(s)2Bangkok United and BG Pathum UnitedRasisalai United and Sisaket United1PortBuriram UnitedChiangrai UnitedChonburiLamphun WarriorsPattaniAyutthaya UnitedPT PrachuapRatchaburiRayongSukhothaiUthai Thani
Stadiums and locations
Team Location Stadium Capacity 5,000 15,114 15,114 32,600 12,000 8,680 5,179 ↑ 12,000 6,250 5,000 ↑ 15,000 10,000 7,500 ↑ 11,200 8,020 5,500
↑ Promoted from the Thai League 2
Personnel and kits Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players and coaches may hold more than one non-FIFA nationality. TeamManagerCaptain Kit manufacturerKit sponsor Domestic Continental Other kit sponsor(s) Umbro Chang Adidas True Nike Leo Singha Group Made by club Ego SportChang 2S Sport Singha Lemon Soda FBT Chang Kelme Chang Maisz Ummah Pattani MizunoMuang Thai Insurance Ari PTG Energy Energy Sport Muang Thai Insurance MizunoChang Ego Sport WHA Group Ego Sport Chang Warrix Chang Hummel GRC
Interim. Apparel made by club. Apparel used on other competition.
Managerial changes Pre-season Team Outgoing manager Date of vacancy Replaced by Date of appointment Rayong Jukkapant Punpee Signed by U20 6 May 2026 Aktaporn Chalitaporn 19 June 2026 Port Alexandre Gama Resigned 15 May 2026 Sarawut Treephan 16 May 2026 Rasisalai United Arnon BandasakEnd of contract 16 May 2026 Sirisak Yodyardthai 12 July 2026 Uthai Thani Miloš Joksić 16 May 2026 Alexandre Gama 8 June 2026 Sukhothai Ekalak Thong-am Signed by Nakhon Si United 18 May 2026 Rattee Ueathanaphaisarn 6 June 2026 Chiangrai United Sirisak Yodyardthai Signed by Rasisalai United 22 May 2026 Worawut Wangsawad 12 July 2026 Buriram United Mark Jackson Resigned 5 September 2026 Emerson (caretaker) 5 September 2026 Buriram United Emerson (caretaker) End of interim spell 8 September 2026 Mário Silva 8 September 2026 Port Sarawut Treephan Sacked 25 September 2026 Božidar Bandović 25 September 2026
Foreign players Each team can register a maximum of ten foreign players. However, only seven foreign players are allowed in the line-up for each match at any given time.
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. Unregistered players refer to players who are not registered for the Thai League but still contracted to the team for other competitions. Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.
ClubPlayer 1Player 2Player 3Player 4Player 5Player 6Player 7Player 8Player 9Player 10Unregistered Player (s)Former Player (s) Ayutthaya United Kerim Palić Caíque Ewerton Lucas Dias Willen Hirotaka Mita Yuki Kusano Diogo Brito Dejan Kerkez Hwang Hyun-soo Bangkok United Anthony Caceres Felipe Santos Everton Philipe Maia Willian Popp Yonatan Cohen Muhsen Al-Ghassani John-Patrick Strauß Lee Ki-je Marc Cardona Arthur Moura Rivaldinho BG Pathum United Ryan Edwards João Magno Matheus Raniel Lucas Andersen Ashley Coffey Anthony Belmonte Edin Osmanović Marko Nikolić Mykola Kovtalyuk Takahiro Yanagi Yeferson Quintana Tomoyuki Doi Buriram United Caju Darlan Eduardo Mancha Guilherme Bissoli Nathan Pelae Paulinho Stefan Schimmer Kingsley Schindler Neil Etheridge Goran Čaušić Curtis Good Vukan Savićević Alexandru Tudorie Uroš Radaković Marc Navarro Toni Moya Sebas Moyano Peter Žulj Robert Žulj Rubén Sánchez Chiangrai United Douglas Dudu Gustavo Schutz Hélio Robinho Victor Cardozo Wanderson Wendell Ricardo Gomes Harhys Stewart Kim Dong-kyu Oh Seung-jun Chonburi Bruno Ritter Dennis Murillo Jorge Fellipe Negueba Stênio Júnior Wellington Priori Ryoma Ito Tomoyuki Doi Kevin Ray Mendoza Kike Linares Richmond Darko Lamphun Warriors Osarenren Okungbowa Anderson Chaves Luís Felipe Ralph Rodrigo Maranhão Christian Ilić Charlie Clough Arnold Suew Dominik Schad Mohammed Osman Pattani Carlos Neto Clayton Felipe Nunes Igor Neves Maicon Douglas Marlon Rodolfo Filemon Damyan Damyanov Jean-Pierre Da Sylva Nacho Abeledo Arion Blakqori Port Kaká Mendes Lucas Tocantins Marcel Scalese Matheus Lins Ruan Ribeiro Asnawi Mangkualam Noboru Shimura Issam Al-Sabhi Michael Falkesgaard Rui Costa Bruno Moreira Jatobá PT Prachuap Airton Bernardo Vilar Lucas Grossi Tailson Tauã Andros Townsend Rei Tachikawa Jesper Nyholm Lee Jeong-hyeop Édgar Méndez Nick Taylor Rasisalai United Caio Rosa Gabriel Bernard Gabriel Davis Gilberto Macena Ramon Mesquita Yuga Watanabe Nelson Orji Ricardo Cardoso Sekou Gassama Kim Ji-min Matias Panigazzi Ratchaburi Robert Žulj Bruno Mendes Gleyson Rafael Bilú Njiva Rakotoharimalala Daniel Ting Jesse Curran Jonathan Viera Roque Mesa Tana Tarek Aggoun Sai van Wermeskerken Scott Allardice Jordan Gele Rayong Antonio Bruno Leite João Afonso João Felipe João Vitor Mayron Renan Gorne Hiromichi Katano Cristian Măgerușan Yeo Hong-gyu Leonardo Justiniano Stefan Cebara Sisaket United Anderson Nascimento Deyvison Fernandes Fellipe Veloso Guilherme Borech Jefinho Patrick Valverde Victor Golas Hikaru Matsui Mahamadou Doucouré Steven van Dijk Alex Mermoz Isaac Honny Sukhothai Alberto Gouvea Cláudio Gustavo Apis Jefferson Assis Luan Gabriel Lucas Barreto Murilo Souza Nathan Palafoz Rhuan Yan Victor Uthai Thani Caíque Julio Vitor Kelvin Pablo Dias Robertinho Willian Lira Jaime Giraldo Itsuki Enomoto Trent Buhagiar Jeong Tae-wook
League table
Positions by round
Results by match played
Results Results table
Season statistics Top Goalscorers As of 20 September 2026. RankPlayerClubGoals1 Guilherme Bissoli Buriram United42 Weerathep Pomphan Bangkok United3 Raniel BG Pathum United Gilberto Macena Rasisalai United5 Rodrigo MaranhãoLamphun Warriors2 Peeradol Chamrasamee Port Édgar Méndez PT Prachuap João Felipe Rayong Nathan Palafoz Sukhothai Willian Lira Uthai Thani Ben Davis Uthai Thani
Hat-trick Player For Against Result Date Guilherme Bissoli Buriram United Sukhothai 3–1 (A)
Clean sheets As of 20 September 2026. RankPlayerClubGoals1 Wattanachai Srathongjan PT Prachuap22 Saranon Anuin BG Pathum United1 Neil Etheridge Buriram United Apirak Worawong Chiangrai United Damyan DamyanovPattani Kampol Pathomakkakul Ratchaburi Wichaya GanthongRayong Steven van DijkSisaket United
Attendances Overall
Home match played
Team \ Match played1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Total 2,685 3,926 6,611 4,761 3,697 8,458 8,501 8,501 20,385 20,385 8,435 8,420 16,855 7,015 8,463 15,478 2,280 2,280 17,300 9,682 26,982 4,746 4,746 3,395 3,395 2,169 1,473 3,642 3,719 3,719 6,484 4,236 10,720 8,100 8,100 6,106 2,850 8,956 4,759 4,759League total 149,661 Source: Thai League 1 2026–27
See also 2026–27 Thai League 2 2026–27 Thai League 3 2026 Thailand Semi-pro League 2027 Thailand Semi-pro League 2026 Thailand Amateur League 2026–27 Thai FA Cup 2026–27 Thai League Cup 2026 Thailand Champions Cup
References
External links