| Upright: | 0.7 |
| Country: | Thailand |
| Organiser: | Thai League |
| Confed: | AFC |
| Teams: | 18 |
| Promotion: | Thai League 1 |
| Relegation: | Thai League 3 |
| Levels: | 2 |
| Domest Cup: | Thai FA Cup |
| League Cup: | Thai League Cup |
| Champions: | Nakhon Ratchasima (2nd title) |
| Season: | 2023–24 |
| Most Successful Club: | Police United (4 titles) |
| Current: | 2024–25 Thai League 2 |
Thai League 2 (Thai: ไทยลีก 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 Muang Thai Life Assurance and Muang Thai Insurance and therefore officially known as the Muang Thai League. 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.
For the 2008 season, the Football Association of Thailand (FAT) reduced the number of teams in the league to 16 teams. Previously there had been 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 Thailand[1] changed the name to Thai League 2.[2]
Champion and runner up 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.
| Team | Location | Stadium | Capacity |
|---|---|---|---|
| Ayutthaya United | Ayutthaya | Ayutthaya Provincial Stadium | 6,000 |
| Bangkok | 72nd Anniversary Stadium | 8,000 | |
| Chainat Hornbill | Chainat | Khao Plong Stadium | 8,625 |
| Chanthaburi | Chanthaburi | Chanthaburi Provincial Stadium | 5,000 |
| Chiangmai United | Chiang Mai | 700th Anniversary Stadium | 25,000 |
| Chonburi | Chonburi Stadium | 8,680 | |
| Kanchanaburi Power | Kanchanaburi | Kleeb Bua Stadium | 13,000 |
| Kasetsart | Bangkok | Insee Chantarasatit Stadium | 3,275 |
| Lampang | Lampang | Lampang Provincial Stadium | 5,500 |
| Mahasarakham | Mahasarakham | Mahasarakham Province Stadium | 3,500 |
| Nakhon Si United | Nakhon Si Thammarat | Nakhon Si Thammarat PAO. Stadium | 5,000 |
| Pattaya United | Chonburi (Bang Lamung) | Nong Prue Stadium | 5,838 |
| Phrae United | Phrae | Huai Ma Stadium | 3,000 |
| Police Tero | Bangkok | Boonyachinda Stadium | 3,550 |
| Samut Prakan City | Samut Prakan | Samut Prakarn SAT Stadium | 5,130 |
| Sisaket United | Sisaket | Sri Nakhon Lamduan Stadium | 11,200 |
| Suphanburi | Suphanburi | Suphan Buri Provincial Stadium | 15,279 |
| Trat | Trat | Trat Provincial Stadium | 5,000 |
Primary venues used in the Thai League 2:
| Ayutthaya United | Bangkok | Chainat Hornbill | Chanthaburi | Chiangmai United | Chonburi | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ayutthaya Province Stadium | 72nd Anniversary Stadium | Khao Plong Stadium | Chanthaburi Province Stadium | 700th Anniversary Stadium | Chonburi Stadium | |||||||
| Capacity: 6,000 | Capacity: 8,000 | Capacity: 8,625 | Capacity: 5,000 | Capacity: 25,000 | Capacity: 8,680 | |||||||
| - | Kanchanaburi Power | Kasetsart | Lampang | Mahasarakham | Nakhon Si United | Pattaya United | ||||||
| Insee Chantarasatit Stadium | Lampang Province Stadium | Mahasarakham Province Stadium | Nakhon Si Thammarat Province Stadium | Nong Prue Stadium | ||||||||
| Capacity: 13,000 | Capacity: 3,275 | Capacity: 5,500 | Capacity: 3,500 | Capacity: 5,000 | Capacity: 5,500 | |||||||
| Phrae United | Police Tero | Sisaket United | Trat | |||||||||
| Huai Ma Stadium | Boonyachinda Stadium | Samut Prakarn SAT Stadium | Sri Nakhon Lamduan Stadium | Suphan Buri Provincial Stadium | Trat Province Stadium | |||||||
| Capacity: 2,500 | Capacity: 3,550 | Capacity: 5,130 | Capacity: 11,200 | Capacity: 15,279 | Capacity: 5,000 | |||||||
| Club | Champions |
|---|---|
| Police 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) |
| 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) |
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