| Year: | 2020 |
| Tour: | All Thailand Golf Tour |
| Regular Season: | – |
| No Of Events: | 6 |
| Honor1: | Order of Merit |
| Honoree1: |  Pavit Tangkamolprasert |
| Prevseason: | 2019 |
| Nextseason: | 2021 |
The 2020 All Thailand Golf Tour was the 22nd season of the All Thailand Golf Tour (formerly the TPC Tour), one of the main professional golf tours in Thailand since it was formed in 1999.
The following table lists official events during the 2020 season.[1]
| Date | Tournament | Location | Purse (฿) | Winner | OWGR points | Other tours | |
|---|---|---|---|---|---|---|---|
| 26 Jan | Boonchu Ruangkit Championship | Nakhon Ratchasima | 4,000,000 | Pavit Tangkamolprasert (3) | 7 | ADT | |
| 9 Feb | Singha E-San Open | Khon Kaen | 3,000,000 | Phachara Khongwatmai (5) | 5 | ||
| Singha Championship | Rayong | – | Cancelled[2] | – | |||
| Singha All Thailand Championship | Phuket | – | Cancelled[3] | – | |||
| Singha Classic | Nakhon Nayok | – | Cancelled[4] | – | |||
| 12 Jul | Thongchai Jaidee Foundation | Lopburi | 4,000,000 | Thaworn Wiratchant (8) | 7 | ||
| Singha Chiang Mai Open | Chiang Mai | – | Cancelled[5] | – | |||
| 16 Aug | Singha Pattaya Open | Chonburi | 3,000,000 | Prom Meesawat (7) | 7 | ||
| Singha All Thailand Memorial | Chanthaburi | – | Cancelled[6] | – | |||
| 20 Sep | Singha Thailand Masters | Chiang Rai | 5,000,000 | Ratchapol Jantavara (1) | 5 | ||
| 18 Oct | Singha Laguna Phuket Open | Phuket | 2,000,000 | Pawin Ingkhapradit (3) | 5 | ||
| BG Bangkok Open | Nakhon Nayok | – | Cancelled[7] | – |
The Order of Merit was based on prize money won during the season, calculated in Thai baht.[8] [9]
| Position | Player | Prize money (฿) | |
|---|---|---|---|
| 1 | 879,755 | ||
| 2 | 830,687 | ||
| 3 | 712,489 | ||
| 4 | 651,934 | ||
| 5 | 555,183 |