2018 Thai League 2
The 2018 Thai League 2 is the 21st season of the Thai League 2, the second-tier professional league for Thailand's association football clubs, since its establishment in 1997, also known as M-150 Championship due to the sponsorship deal with M-150. A total of 15 teams will compete in the league. The season began on 9 February 2018 and is scheduled to conclude on 29 September 2018.
Chainat Hornbill are the defending champions, while Samut Sakhon, Khonkaen and Udon Thani have entered as the promoted teams from the 2017 Thai League 3.
Changes from last season
Team changes
From Thai League 2
To Thai League 2
Renamed clubs
- Super Power Samut Prakan authorize from Jumpasri United
- Thai Honda Ladkrabang was renamed to Thai Honda
Expansion clubs
- Nakhon Pathom United and Samut Songkhram Club-licensing football club didn't pass to play 2018 Thai League 2. This team were relegated to 2018 Thai League 4 Western Region.
- Songkhla United Club-licensing football club didn't pass to play 2018 Thai League 3 Lower Region. This team is banned 2 years and Relegated to 2020 Thai League 4 Southern Region.
- Jumpasri United Club-licensing football club didn't pass to play 2018 Thai League 2. This team is banned 2 years and Relegated to 2020 Thai League 4 North Eastern Region.
Teams
Stadium and locations
| Team | Location | Stadium | Capacity |
| Angthong | Angthong | Angthong Provincial Stadium | 6,000 |
| Army United | Bangkok | Thai Army Sports Stadium | 20,000 |
| Chiangmai | Chiangmai | 700th Anniversary Stadium | 25,000 |
| Kasetsart | Bangkok | TOT Stadium Chaeng Watthana | 5,000 |
| Krabi | Krabi | Krabi Provincial Stadium | 6,000 |
| Khonkaen | Khonkaen | Khonkaen PAO. Stadium | 7,000 |
| Lampang | Lampang | Lampang Provincial Stadium | 5,500 |
| Nongbua Pitchaya | Nongbua Lamphu | Nongbua Lamphu Provincial Stadium | 4,333 |
| PTT Rayong | Rayong | PTT Stadium | 12,000 |
| Rayong | Rayong | Rayong Provincial Stadium | 7,500 |
| Samut Sakhon | Samut Sakhon | Samut Sakhon Provincial Stadium | 3,500 |
| Sisaket | Sisaket | Sri Nakhon Lamduan Stadium | 10,000 |
| Thai Honda | Bangkok | 72nd Anniversary Stadium | 10,000 |
| Trat | Trat | Trat Provincial Stadium | 6,000 |
| Udon Thani | Udon Thani | Institute of Physical Education Udon Thani Stadium | 3,500 |
Foreign players
A T2 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 |
| Angthong | 1st | |||||
| Angthong | 2nd | |||||
| Army United | 1st | |||||
| Army United | 2nd | |||||
| Chiangmai | 1st | |||||
| Chiangmai | 2nd | |||||
| Kasetsart | 1st | |||||
| Kasetsart | 2nd | |||||
| Khonkaen | 1st | |||||
| Khonkaen | 2nd | |||||
| Krabi | 1st | |||||
| Krabi | 2nd | |||||
| Lampang | 1st | |||||
| Lampang | 2nd | |||||
| Nongbua Pitchaya | 1st | |||||
| Nongbua Pitchaya | 2nd | |||||
| PTT Rayong | 1st | |||||
| PTT Rayong | 2nd | |||||
| Rayong | 1st | |||||
| Rayong | 2nd | |||||
| Samut Sakhon | 1st | |||||
| Samut Sakhon | 2nd | |||||
| Sisaket | 1st | |||||
| Sisaket | 2nd | |||||
| Thai Honda | 1st | |||||
| Thai Honda | 2nd | |||||
| Trat | 1st | |||||
| Trat | 2nd | |||||
| Udon Thani | 1st | |||||
| Udon Thani | 2nd |
League table
Standings
Positions by round
Results by round
Results
Season statistics
Top scorers
| Rank | Player | Club | Goals |
| 1 |  Barros Tardeli | Trat | 21 |
| 2 |  Issac Honey | Angthong | 17 |
| 3 |  Marc Landry Babo | Khonkaen | 16 |
| 4 | Erivelto | Army United | 14 |
| 4 | Dennis Murillo | PTT Rayong | 14 |
| 6 |  Goran Jerković | Nongbua Pitchaya | 13 |
| 7 | Hiziel Souza Soares | Chiangmai | 11 |
| 7 |  Thotsaphon Yotchan | Khonkaen | 11 |
| 7 |  Melvin de Leeuw | Lampang | 11 |
| 7 | Tawin Butsombat | Thai Honda | 11 |