Leagues and Clubs of Thailand2018
Thai League (1. League)
- 1. Buriram United
- 2. Bangkok United
- 3. Port FC Bangkok
- 4. Muangthong United
- 5. Chiangrai United
- 6. PT Prachuap
- 7. Nakhon Ratchasima FC
- 8. Pattaya United
- 9. Chonburi FC
- 10. Suphanburi FC
- 11. Sukhothai FC
- 12. Ratchaburi Mitrphol FC
- 13. Chainat Hornbill
- 14. Bangkok Glass FC
- 15. Police Tero Bangkok
- 16. Navy FC Sattahip
- 17. Ubon UMT United
- 18. Air Force Central Rangsit
Thai League 2 (2. League)
- 1. PTT Rayong
- 2. Trat FC
- 3. Chiangmai FC
- 4. Khon Kaen FC
- 5. Nongbua Pitchaya
- 6. Samut Sakhon FC
- 7. Udon Thani FC
- 8. Army United Bangkok
- 9. Lampang FC
- 10. Sisaket FC
- 11. Rayong FC
- 12. Thai Honda Bangkok
- 13. Kasetsart FC
- 14. Krabi FC
- 15. Angthong FC
Thai League 3 Lower Region (3. League)
- 1. Customs United Samut Prakan
- 2. Nara United
- 4. Chamchuri United
- 5. Phuket City
- 6. BTU United Bangkok
- 7. Royal Thai Army
- 8. Nakhon Si United
- 9. Ranong United
- 10. Surat Thani FC
- 11. Kasem Bundit University
- 12. Simork Suphanburi
- 13. Rajpracha Bangkok
- 14. Deffo FC
Thai League 3 Upper Region (3. League)
- 1. JL Chiangmai United
- 2. Ayutthaya United
- 3. Lamphun Warrior
- 4. Phrae United
- 5. Bangkok FC
- 6. Ubon Ratchathani FC
- 7. Ayutthaya FC
- 8. Muangkan United
- 9. Chachoengsao FC
- 10. Sakaeo FC
- 11. Kamphaengphet FC
- 12. Chiangrai City
- 14. Kalasin FC
Bangkok (4. League)
East (4. League)
- 1. Bankhai United
- 1. Kohkwang FC
- 2. Chanthaburi FC
- 3. Pluakdaeng United
- 5. Kabin United
- 7. Nakhon Nayok FC
North (4. League)
- 1. Uttaradit FC
- 2. Nan FC
- 2. Wat Bot City
- 3. Phitsanulok FC
- 6. Nakhon Sawan FC
North-East (4. League)
- 1. Muang Loei United
- 2. Khon Kaen United
- 5. Surin City
- 7. Mashare Chaiyaphum FC
- 8. Surin Khong Chee Mool
- 10. Mahasarakham SBT FC
- 11. Sakon Nakhon FC
- 13. Loei City FC
South (4. League)
- 1. Satun United
- 2. Pattani FC
- 6. Surat Thani City
- 7. Phattalung FC
- 8. Chumphon FC
West (4. League)
Football Association of Thailand
