Leagues and Clubs of Thailand2021/22
Thai League (1. League)
- 1. Buriram United
- 2. BG Pathum United
- 3. Bangkok United
- 4. Muangthong United
- 5. Chiangrai United
- 6. Nongbua Pitchaya
- 7. Chonburi FC
- 8. Port FC Bangkok
- 9. Nakhon Ratchasima FC
- 10. Khon Kaen United
- 11. Police Tero Bangkok
- 12. Ratchaburi Mitrphol FC
- 13. PT Prachuap
- 14. Suphanburi FC
- 15. Samut Prakan City
- 16. Chiangmai United
Thai League 2 (2. League)
- 1. Lamphun Warrior
- 2. Sukhothai FC
- 3. Trat FC
- 4. Lampang FC
- 5. Chainat Hornbill
- 6. Phrae United
- 7. Muangkan United
- 8. Udon Thani FC
- 9. Rayong FC
- 10. Nakhon Pathom United
- 11. Ayutthaya United
- 12. Ranong United
- 13. Kasetsart FC
- 14. Chiangmai FC
- 15. Customs United Samut Prakan
- 16. Rajpracha Bangkok
- 17. Khon Kaen FC
- 18. Navy FC Sattahip
Bangkok (3. League)
East (3. League)
- 1. Pattaya Dolphins United
- 2. Chachoengsao Hi-Tek
- 3. Pluakdaeng United
- 4. Bankhai United
- 5. Saimit Kabin United
- 8. Chanthaburi FC
- 9. Sakaeo FC
- 10. Banbueng FC
North (3. League)
- 1. Uthai Thani FC
- 2. Phitsanulok FC
- 4. Wat Bot City
- 5. Nakhon Sawan See Khwae City
- 6. Chiangrai City
- 7. Uttaradit FC
- 9. Kamphaengphet FC
- 11. Nan FC
North-East (3. League)
- 1. Muang Loei United
- 2. Sisaket FC
- 4. Ubon Kruanapat FC
- 5. Sisaket United
- 6. Surin City
- 7. Mahasarakham SBT FC
- 8. Sakon Nakhon FC
- 12. Surin Khong Chee Mool
- 13. Mashare Chaiyaphum FC
South (3. League)
- 1. Krabi FC
- 2. Nakhon Si United
- 3. Songkhla FC
- 4. Nara United
- 5. MH Khon-Surat City
- 8. Satun United
- 9. Young Singh Hatyai United
- 10. Pattani FC
- 12. Phatthalung FC
- 13. Surat Thani FC
West (3. League)
Football Association of Thailand
