2017 Thai League 3 Lower Region
2017 Thai League 3 Lower Region is the 1st season of the League, its establishment in 2017. It is a part of the Thai League 3 and the feeder league for the Thai League 2. A total of 15 teams will compete in the league this season.
Changes from Last Season
Team changes
Promoted Clubs
Five club was promoted from the 2016 Thai Division 2 League Western RegionThree club was promoted from the 2016 Thai Division 2 League Bangkok & field Region
Four club was promoted from the 2016 Thai Division 2 League Bangkok & Eastern Region
Four club was promoted from the 2016 Thai Division 2 League Southern Region
Renamed Clubs
- Nakhon Si Thammarat Unity authorize from Ratchaphruek University
Expansion Clubs
- BTU United Club-licensing football club didn't pass to play 2017 Thai League 3 Lower Region. This team is relegated to 2017 Thai League 4 Western Region again.
Teams
Stadium and locations
| Team | Location | Stadium | Capacity |
| Banbueng | Chonburi | Banbueng Municipality Stadium | 2,500 |
| Bangkok University Deffo | Pathum Thani | Bangkok University Stadium, Rangsit | 4,000 |
| Chamchuri United | Bangkok | Chulalongkorn University Stadium | 20,000 |
| Kasem Bundit University | Bangkok | Kasem Bundit University Stadium, Rom Klao | 2,000 |
| Krung Thonburi | Nakhon Pathom | Mahidol University Stadium, Salaya | 2,000 |
| MOF Customs United | Samut Prakan | Customs Department Stadium, Ladkrabang 54 | 2,000 |
| Nakhon Si Thammarat Unity | Nakhon Si Thammarat PAO. Stadium | 5,000 | |
| Nara United | Narathiwat | Narathiwat PAO. Stadium | 5,000 |
| Rajpracha | Bangkok | Thonburi Stadium ' | 5,000 5,000 |
| Ranong United | Ranong | Ranong Provincial Stadium | 7,000 |
| Royal Thai Army | Bangkok | Thai Army Sports Stadium | 20,000 |
| Samut Sakhon | Samut Sakhon | Samut Sakhon IPE. Stadium ' | 6,300 3,500 |
| Simork | Angthong | Angthong Provincial Stadium | 6,000 |
| Surat Thani | Surat Thani | Surat Thani Provincial Stadium | 10,000 |
| Trang | Trang | Trang Municipality Stadium | 5,000 |
Foreign players
The number of foreign players is restricted to five per T3 team. A team can use five foreign players on the field in each game, including at least one player from the AFC member countries and one player from nine countries member of ASEAN.League table
Standings
Season statistics
Top scorers
| Rank | Player | Club | Goals |
| 1 |  AttendancesAttendances by home match playedSource:Note: Some error of T3 official match report 25 March 2017. Some error of T3 official match report 2 July 2017. Some error of T3 official match report 10 September 2017. |