| Competition: | Thai League 3 |
| Season: | 2020 |
| Matches: | 12 |
| Total Goals: | 28 |
| League Topscorer: |  Sirichai Lamphuttha(3 goals) |
| Biggest Home Win: | 4 goals difference (29 February 2020) |
| Biggest Away Win: | 3 goals difference (16 February 2020) |
| Highest Scoring: | 5 goals difference (16 February 2020) |
| Longest Wins: | 2 Matches Bangkok |
| Longest Unbeaten: | 2 Matches Bangkok North Bangkok University Pattani Pathumthani University Trang |
| Longest Winless: | 2 Matches Banbueng BTU United Nara United Krabi Nakhon Si United |
| Longest Losses: | 2Matches Banbueng |
| Prevseason: | 2019 |
| Nextseason: | 2021 |
The 2020 Thai League 3 lower region is a region in the regional stage of the 2020 Thai League 3. A total of twelve teams will compete in the league of the lower region.
Two clubs were promoted from the 2020 Thai League 2
Two clubs were promoted from the 2019 Thai League 4
A club was relegated to the 2020 Thai League 4 Bangkok Metropolitan Region
A club was relegated to the 2020 Thai League 4 Southern Region
| Team | Location | Stadium | Capacity |
|---|---|---|---|
| Banbueng | Chonburi | IPE Chonburi Stadium | 11,100 |
| Bangkok | Rangsit | Bangkok University Stadium | 1,000 |
| BTU United | Bangkok | Bangkok-Thonburi University Stadium | 1,500 |
| Kasem Bundit University | Bangkok | Kasem Bundit University Stadium, Rom Klao | 2,000 |
| Krabi | Krabi | Krabi Provincial Stadium | 8,000 |
| Nakhon Si United | Nakhon Si Thammarat | Nakhon Si Thammarat PAO. Stadium | 10,000 |
| Nara United | Narathiwat | Narathiwat PAO. Stadium | 5,000 |
| Pathum Thani | North Bangkok University Stadium (Rangsit) | 3,000 | |
| Pathumthani University | Ayutthaya | Ratchakram Stadium | 1,000 |
| Pattani | Pattani | Pattani Province Stadium | 12,000 |
| Rajpracha | Bangkok | Thonburi Stadium | 5,000 |
| Trang | Trang Municipality Stadium | 5,000 | |
| Club | Player 1 | Player 2 | Player 3 | Asian Player |
|---|---|---|---|---|
| Banbueng | Berlin | Seon Power | ||
| Bangkok |  Charles Houla |  Kayne Vincent | Keegan Linderboom | |
| BTU United |  Dicko Ibrahim Abou |  Lionel Frank Touko Nzola | Ratsimbazafy Heritiana Thierry |  Kii Hiromu |
| Kasem Bundit University |  Choi Hyung Jun | Hwang Soo-young | Jin Chul Bak | Tetsuro Inoue |
| Krabi | Koné Seydou | Ekue Andre Houma |  Efe Obode | Ryohei Maeda |
| Nakhon Si United |  Gustavo Silva |  Samuel Abega Ampofo | Lucas Marques da Silva |  Shavkati Hotam |
| Nara United |  Mahmoud Sayed Amer | Julius Chukwuma Ononiwu | Guy Hubert | |
| North Bangkok University | Ahmed Essam Lotfy Elazab | Cláudio | Arnold Suew | Kim Sehun |
| Pathumthani University | Phillerson Natan Silva de Oliveira | Soumahoro Mafa Ivoirienne | Elvis Job | Yusaku Yamadera |
| Pattani | Thales Cruz Campos | Vitor Marcelo Alves Alcantara | Vincent Bossou |  Mitsada Saitaifah |
| Rajpracha | Onyemelukwe Okechukwu Eric | George Kelbel | Yuki Nohara | |
| Trang | Fabricio Peris Carneiro | Victor Amaro | Felipe Wallace Do Nascimento | Mitsuhiro Seki |
As of 1 March 2020.[1]
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 | Sirichai Lamphuttha | 3 | |
| 2 | Woraphot Somsang | BTU United | 2 |
| Chakris Tiaiadyo | Pattani | ||
| Thales Cruz Campos | Pattani | ||
| Hwang Soo-young | Kasem Bundit University | ||
| Keegan Linderboom | Bangkok | ||
| Chaowasit Sapysakunphon | Bangkok | ||
| Player | For ! | Against | Result | Date |
|---|---|---|---|---|
| Sirichai Lamphuttha | 4–1 | |||
| Team \ Match played | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 190 | 190 | |||||||||||
| 385 | 385 | |||||||||||
| 400 | 400 | |||||||||||
| 420 | 420 | |||||||||||
| 320 | 320 | |||||||||||
| 800 | 800 | |||||||||||
| 350 | 350 | |||||||||||
| 115 | 115 | |||||||||||
| 1,729 | 1,729 | |||||||||||
| 214 | 150 | 364 | ||||||||||
| 920 | 920 | |||||||||||