La Thai League 2 (in thailandese ไทยลีก 2 ), nota fino al 2016 con il nome Thai Division 1 League (in thailandese ไทยลีกดิวิชั่น ๑ ), è il secondo livello di calcio in Thailandia. Attualmente è composta da 18 squadre. Le prime due e la vincitrice dei play-off sono promosse in Thai League 1 , mentre le ultime tre vengono retrocesse in Thai League 3 . Per motivi di sponsorizzazione è conosciuta anche come Thai League 2 M-150 Championship .
Campione: 700.000 Baht Secondo: 300.000 Baht Terzo: 200.000 Baht Squadra Luogo Stadio Capienza Ayutthaya United Ayutthaya Ayutthaya Provincial Stadium 6,000 Chainat Hornbill Chainat Khao Plong Stadium 8,625 Chiangmai Chiang Mai Chiangmai Municipality Stadium 5,000 Chiangmai United Chiang Mai RMUTL (Doi Saket) Stadium 2,500 Customs United Samut Prakan Customs Department Stadium, Ladkrabang 54 2,000 Kasetsart Bangkok TOT Stadium Chaeng Watthana 5,000 Khonkaen Khon Kaen Khonkaen PAO. Stadium 7,000 Khonkaen United Khon Kaen Khonkaen PAO. Stadium 7,000 Lampang Lampang Lampang Provincial Stadium 5,500 Nakhon Pathom United Nakhon Pathom Nakhon Pathom Municipality Sport School Stadium 6,000 Navy Chonburi Sattahip Navy Stadium 6,000 Nongbua Pitchaya Nong Bua Lamphu Pitchaya Stadium 6,000 Phrae United Phrae Huai Ma Stadium 2,500 Ranong United Ranong Ranong Provincial Stadium 7,000 Samut Sakhon Samut Sakhon Samut Sakhon Provincial Stadium 3,500 Sisaket Sisaket Sri Nakhon Lamduan Stadium 10,000 Udon Thani Udon Thani SAT Stadium Udon Thani 10,000 Uthai Thani Uthai Thani Uthai Thani Province Stadium 4,477
Club Vittorie Royal Thai Police 4 Ratchaburi Mitr Phol , Buriram PEA , Sriracha , Muangthong Utd , Customs United , Royal Thai Army , TOT , Bangkok Utd , Bangkok Christian College , TTM Phichit , Bangkok Bank of Commerce , Krung Thai Bank , Royal Thai Air Force , Nakhon Ratchasima , Police Utd , Thai Honda , Chainat , PTT Rayong , Bangkok Glass , Nongbua Pitchaya 1