2018 Thai League 1
The 2018 Thai League 1 is the 22nd season of the Thai League 1, the top Thai professional league for association football clubs, since its establishment in 1996, also known as Toyota Thai League due to the sponsorship deal with Toyota Motor Thailand. A total of 18 teams will compete in the league. The season began on 9 February 2018 and is scheduled to conclude on 7 October 2018.
Buriram United are the defending champions, while Chainat Hornbill, Air Force Central and Prachuap have entered as the promoted teams from the 2017 Thai League 2.
The 1st transfer window is from 14 November 2017 to 5 February 2018 while the 2nd transfer window is from 1 June 2018 to 29 June 2018.
Changes from last season
Team changes
Promoted clubs
Promoted from the 2017 Thai League 2Relegated from the 2017 Thai League
- Thai Honda Ladkrabang
- Sisaket
- Super Power Samut Prakan
Renamed clubs
- Super Power Samut Prakan authorize from Jumpasri United
- Prachuap was renamed to PT Prachuap
Teams
Stadium and locations
| Team | Province | Stadium | Capacity | |
| Air Force Central | Pathum Thani | Thupatemi Stadium | 20,000 | |
| Bangkok Glass | Pathum Thani | Leo Stadium | 13,000 | |
| Bangkok United | Pathum Thani | Thammasat Stadium | 25,000 | |
| Buriram United | Buriram | Chang Arena | 32,600 | |
| Chiangrai United | Chiangrai | Singha Stadium | 11,354 | |
| Chainat Hornbill | Chainat | Khao Plong Stadium | 12,000 | |
| Chonburi | Chonburi | Chonburi Stadium | 8,680 | |
| SCG Muangthong United | Nonthaburi | SCG Stadium | 14,890 | |
| Nakhon Ratchasima | Nakhon Ratchasima | 80th Birthday Stadium | 24,641 | |
| Navy | Chonburi | Sattahip Navy Stadium | 6,000 | |
| Pattaya United | Chonburi | Nong Prue Stadium | 5,500 | |
| Police Tero | Bangkok | Boonyachinda Stadium | 3,550 | |
| Port | Bangkok | PAT Stadium | 7,000 | |
| PT Prachuap | Sam Ao Stadium | 2,700 | ||
| Ratchaburi Mitr Phol | Ratchaburi | Mitr Phol Stadium | 10,000 | |
| Sukhothai | Sukhothai | Thung Thalay Luang Stadium | 8,000 | |
| Suphanburi | Suphanburi | Suphan Buri Provincial Stadium | 25,000 | |
| Ubon UMT United | Ubon Ratchathani | UMT Stadium | 6,000 |
;Notes
Personnel and sponsoring
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.| Team | Head coach | Captain | Kit manufacturer | Main sponsor |
| Air Force Central |  Jason Brown |  Tana Sripandorn | KELA | Central Group |
| Bangkok Glass | Anurak Srikerd |  Matt Smith | Nike | Leo Beer |
| Bangkok United |  Alexandré Pölking | Anthony Ampaipitakwong | Ari | True |
| Buriram United |  Božidar Bandović | Suchao Nuchnum | Made by club Warrix | Chang |
| Chainat Hornbill |  Dennis Amato |  Florent Sinama Pongolle | Warrix | Wangkanai |
| Chiangrai United | Alexandre Gama | Victor Cardozo | Puma | Singha Park |
| Chonburi | Jukkapant Punpee | Chonlatit Jantakam | Nike | Chang |
| Muangthong United |  Radovan Ćurčić | Sarach Yooyen | Grand Sport | SCG |
| Nakhon Ratchasima | Miloš Joksić | Chalermpong Kerdkaew | Warrix | Mazda |
| Navy |  Ljubomir Ristovski | Nattaporn Phanrit | Made by club | EA Aviation |
| Pattaya United | Surapong Kongthep |  Lee Won-young | Ari | Sanwa |
| Police Tero | Rangsan Viwatchaichok | Michaël N'dri | FBT | Chang |
| Port | Jadet Meelarp |  David Rochela | Grand Sport | Muang Thai |
| PT Prachuap | Thawatchai Damrong-Ongtrakul | Adul Muensamaan | Warrix | PTG |
| Ratchaburi Mitr Phol |  Lassaad Chabbi | Chutipol Thongthae | Made by club | Mitr Phol |
| Sukhothai | Chalermwoot Sa-ngapol | Yuttapong Srilakorn | Mawin | Chang |
| Suphanburi | Pairoj Borwonwatanadilok | Sinthaweechai Hathairattanakool | Warrix | Chang |
| Ubon Umt United |  Sugao Kambe | Antonio Verzura | Eureka | :th:มหาวิทยาลัยการจัดการและเทคโนโลยีอีสเทิร์น|UMT |
;Notes
Managerial changes
Foreign players
A T1 team could registered five foreign players by at least one player from AFC member countries and at least one player from ASEAN member countries. A team can use four foreign players on the field in each game, including at least one player from the AFC member countries or ASEAN member countries.| Club | Leg | Player 1 | Player 2 | Player 3 | Player 4 | Player 5 |
| Air Force Central | 1st | |||||
| Air Force Central | 2nd | |||||
| Bangkok Glass | 1st | |||||
| Bangkok Glass | 2nd | |||||
| Bangkok United | 1st | |||||
| Bangkok United | 2nd | |||||
| Buriram United | 1st | |||||
| Buriram United | 2nd | |||||
| 1st | ||||||
| 2nd | ||||||
| Chiangrai United | 1st | |||||
| Chiangrai United | 2nd | |||||
| Chonburi | 1st | |||||
| Chonburi | 2nd | |||||
| Nakhon Ratchasima Mazda | 1st | |||||
| Nakhon Ratchasima Mazda | 2nd | |||||
| Navy | 1st | |||||
| Navy | 2nd | |||||
| Pattaya United | 1st | |||||
| Pattaya United | 2nd | |||||
| Police Tero | 1st | |||||
| Police Tero | 2nd | |||||
| Port | 1st | |||||
| Port | 2nd | |||||
| PT Prachuap | 1st | |||||
| PT Prachuap | 2nd | |||||
| Ratchaburi Mitr Phol | 1st | |||||
| Ratchaburi Mitr Phol | 2nd | |||||
| SCG Muangthong United | 1st | |||||
| SCG Muangthong United | 2nd | |||||
| Sukhothai | 1st | |||||
| Sukhothai | 2nd | |||||
| Suphanburi | 1st | |||||
| Suphanburi | 2nd | |||||
| Ubon UMT United | 1st | |||||
| Ubon UMT United | 2nd |
League table
Standings
Positions by round
Results by match played
Results
Season statistics
Top scorers
| Rank | Player | Club | Goals |
| 1 | Diogo | Buriram United | 34 |
| 2 | Jonatan Ferreira Reis | PT Prachuap | 26 |
| 2 | Heberty | SCG Muangthong United | 26 |
| 4 |  Nelson Bonilla | Sukhothai | 25 |
| 5 | Dragan Bošković | Port | 21 |
| 6 | Lukian | Pattaya United | 18 |
| 7 | Michaël N'dri | Police Tero | 16 |
| 7 |  Lonsana Doumbouya | PT Prachuap | 16 |
| 9 |  Bernard Doumbia | Chainat Hornbill | 15 |
| 9 | Bill | Ratchaburi Mitr Phol, Chiangrai United | 15 |
| 9 | Marcos Vinícius | Police Tero | 15 |
| 9 |  Sergio Suárez | Port | 15 |
Top assists
| Rank | Player | Club | Assists |
| 1 |  John Baggio | Sukhothai | 14 |
| 1 | Vander Luíz | Bangkok United | 14 |
| 3 | Pakorn Prempak | Port | 12 |
| 3 | Heberty | SCG Muangthong United | 12 |
| 5 | Sergio Suárez | Port | 10 |
| 6 | Diogo | Buriram United | 9 |
| 6 | Vitor Júnior | Navy | 9 |
| 8 | Osvaldo | Buriram United | 8 |
| 8 |  Aung Thu | Police Tero | 8 |
| 10 | Sumanya Purisai | Bangkok United | 7 |
| 10 | Bireme Diouf | Chainat Hornbill | 7 |
| 10 | William Henrique | Chiangrai United | 7 |
| 10 | Tristan Do | SCG Muangthong United | 7 |
Hat-tricks
Clean sheets
| Rank | Player | Club | Clean sheets |
| 1 | Siwarak Tedsungnoen | Buriram United | 13 |
| 2 |  Michael Falkesgaard | Bangkok United | 11 |
| 2 | Chatchai Budprom | Chiangrai United | 11 |
| 2 | Sinthaweechai Hathairattanakool | Suphanburi | 11 |
| 5 | Samuel Cunningham | Nakhon Ratchasima | 8 |
| 5 | Kwanchai Suklom | PT Prachuap | 8 |
| 7 | Prasit Padungchok | SCG Muangthong United | 7 |
| 8 | Narit Taweekul | Bangkok Glass | 6 |
| 8 | Teerath Nakchamnarn | Chainat Hornbill | 6 |
| 8 | Chanin Sae-ear | Chonburi | 6 |
| 8 | Patiwat Khammai | Pattaya United | 6 |