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 against each other team, one home and one away. It is sponsored by BYD Auto and therefore officially known as the BYD Seal 5 League II. Champion, runner up and teams ranked 3rd – 6th qualified in play off for last spot in top tier promoted to Thai League 1 at the end of the season, whilst three are relegated to Thai League 3.

History For the 2008 season, the Football Association of Thailand (FAT) reduced the number of teams in the league to 16 teams. Previously there were two groups of 12 clubs. For the 2011 season the number of teams was increased to 18 teams, the Thai Division 1 League is a season run from March to October, with teams playing 34 games each totalling 306 games in the season. In 2016, the Khǒr Royal Cup became a trophy for Thai Division 1 League. In 2017 the Football Association of Thailandมากรู้จักระบบบอลไทยกัน changed the name to Thai League 2.

Promotion and relegation

Champion and runner up will be directly promoted to the Thai League 1, teams ranked 3rd – 6th qualified in play off for last spot in top tier next season.

The bottom three teams will be relegated to the Thai League 3.

Stadiums and locations (2026–27)

TeamLocation Stadium CapacityChainat HornbillChainatKhao Plong Stadium8,625ChanthaburiChanthaburiChanthaburi Provincial Stadium5,000Chiangmai UnitedChiang MaiChiang Mai Rajabhat University Mae Rim Campus Stadium10,000Kanchanaburi PowerKanchanaburi Kleeb Bua Stadium13,000Kasetsart Bangkok Insee Chantarasatit Stadium3,275Khonkaen UnitedKhon KaenKhonkaen PAO. Stadium7,000MahasarakhamMahasarakhamMahasarakham Province Stadium 3,500Muang Loei UnitedLoeiLoei Rjabhat University Stadium 7,000Muangthong UnitedNonthaburi Thunderdome 13,000Nakhon Pathom UnitedNakhon PathomNakhon Pathom Municipality Sport School Stadium6,000Nakhon RatchasimaNakhon Ratchasima80th Birthday25,000Nongbua PitchayaNongbua LamphuPitchaya Stadium6,000Pattaya UnitedChonburi Nong Prue Stadium5,838Phrae UnitedPhraeHuai Ma Stadium3,000Police TeroBangkok NT Stadium5,000PT SatunSatunSatun PAO. Stadium5,000SongkhlaSongkhlaTinsulanon Stadium30,000UttaraditUttaraditUttaradit Provincial Stadium3,245

Stadiums (2026–27) Primary venues used in the Thai League 2: Chainat Hornbill Chanthaburi Chiangmai United Kanchanaburi Power Kasetsart Khon Kaen United Khao Plong Stadium Chanthaburi Province Stadium Chiang Mai Rajabhat University Mae Rim Campus StadiumKleeb Bua Stadium Insee Chantarasatit Stadium Khonkaen PAO. Stadium Capacity: 8,625 Capacity: 5,000 Capacity: 10,000 Capacity: 13,000 Capacity: 3,275 Capacity: 7,000 Mahasarakham Muang Loei United Muangthong United Nakhon Pathom United Nakhon Ratchasima Nongbua Pitchaya Mahasarakham Province Stadium Loei Rjabhat University Stadium Thunderdome Stadium Nakhon Pathom School Stadium Nakhon Si Thammarat Province Stadium Pitchaya Stadium Capacity: 5,500 Capacity: 7,000 Capacity: 13,000 Capacity: 6,000 Capacity: 25,000 Capacity: 6,000 Pattaya United Phrae United Police Tero PT Satun Songkhla Uttaradit Nong Prue Stadium Huai Ma Stadium NT Stadium Satun PAO. Stadium Tinsulanon Stadium Uttaradit Provincial Stadium Capacity: 5,500 Capacity: 2,500 Capacity: 5,000 Capacity: 5,000 Capacity: 30,000 Capacity: 3,245

Championship history Champions of the 2nd tier Thai football league system

# Season Champions Runner-up Third place 1 1997–98 Krung Thai Bank OsotsapaThailand Tobacco Monopoly 2 1998–99 Bangkok Bank of Commerce Assumption College Sriracha Royal Thai Navy 3 1999–2000 Royal Thai Police Royal Thai Navy Rajpracha 4 2000–01 Tobacco Monopoly Bangkok Christian College Rajpracha 5 2001–02 Bangkok Christian College Thai Military Bank Bangkok University 6 2002–03 Bangkok University Royal Thai Navy Provincial Electricity Authority 7 2003–04 TOT PEA Royal Thai Army 8 2004–05 Royal Thai Army Thai Honda Royal Thai Police 9 2005–06 Royal Thai Police Royal Thai Navy Coke-Bangpra 10 2007 Customs Department Chula-Sinthana Coke-Bangpra 11 2008 Muangthong United Sriracha Royal Thai Navy 12 2009 Police United Royal Thai Army Sisaket 13 2010 Sriracha Khon Kaen Chiangrai United 14 2011 Songkhla Chainat BBCU 15 2012 Ratchaburi Suphanburi Bangkok United 16 2013 Air Force AVIA Singhtarua PTT Rayong 17 2014 Nakhon Ratchasima Saraburi Siam Navy 18 2015 Police United Pattaya United Sukhothai 19 2016 Thai Honda Ubon UMT United Port 20 2017 Chainat Hornbill Air Force Central PT Prachuap 21 2018PTT RayongTratChiangmai 22 2019BG Pathum UnitedPolice TeroRayong # Season Champions Runner-up Play-off winner 23 2020–21 Nongbua Pitchaya Chiangmai United Khon Kaen United 24 2021–22 Lamphun Warriors Sukhothai Lampang 25 2022–23 Nakhon Pathom United Trat Uthai Thani 26 2023–24 Nakhon Ratchasima Nongbua Pitchaya Rayong 27 2024–25 Chonburi Ayutthaya United Kanchanaburi Power 28 2025–26 Rasisalai United Sisaket United Pattani 29 2026–27

Number of wins ClubChampionsPolice United 4 (1999–2000, 2005–06, 2009, 2015)Nakhon Ratchasima 2 (2014, 2023–24)Krung Thai Bank 1 (1997–98)Bangkok Bank of Commerce 1 (1998–99)TTM 1 (2000–01)Bangkok Christian College 1 (2001–02)Bangkok University 1 (2002–03)TOT 1 (2003–04)Royal Thai Army 1 (2004–05)Customs Department 1 (2007)Muangthong United 1 (2008)Sriracha 1 (2010)Songkhla United 1 (2011)Ratchaburi 1 (2012)Air Force AVIA 1 (2013)Thai Honda Ladkrabang 1 (2016)Chainat Hornbill 1 (2017)PTT Rayong 1 (2018)BG Pathum United 1 (2019)Nongbua Pitchaya 1 (2020–21)Lamphun Warriors 1 (2021–22)Nakhon Pathom United 1 (2022–23)Chonburi 1 (2024–25)Rasisalai United 1 (2025–26)

Awards

Prize money

Champion: 5,000,000 Baht Runner-up: 3,000,000 Third place: 1,000,000 Fourth place: 500,000 Fifth place: 300,000 Sixth place: 100,000 Seventh place: 50,000

Top scorers SeasonTop scorerClubGoals2008 Tanongsak PromdardRaj-Vithi182009 Wutthipong KerdkulRattana Bundit272010 Chainarong TathongChula United192011 Adisak Srikampang Phuwadol SuwannachartPTT Rayong Chainat212012 Lee TuckBangkok232013 LeandroSinghtarua242014 Marc Landry BaboAngthong192015 Felipe Ferreira Tana ChanabutSukhothai Police United252016 Hristijan KirovskiPrachuap172017 Jonatan Ferreira ReisKasetsart282018 Barros Tardeli Trat212019 Tiago Chulapa Rayong192020–21 Paulo ConradoKhon Kaen United252021–22 Thales LimaUdon Thani (13) / Lamphun Warriors (9)222022–23 Ricardo Santos Uthai Thani282023–24 Deyvison FernandesNakhon Ratchasima222024–25 Wellington AdãoPhrae United232025–26 Arthit BoodjindaKhon Kaen United18

Thai League 2

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