| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | BG Pathum United (C) | 30 | 24 | 5 | 1 | 54 | 13 | +41 | 77 | Qualification for 2022 AFC Champions League group stage |
| 2 | Buriram United | 30 | 20 | 3 | 7 | 63 | 26 | +37 | 63 | Qualification for 2022 AFC Champions League qualifying play-offs |
| 3 | Port | 30 | 17 | 5 | 8 | 58 | 36 | +22 | 56 | |
| 4 | Chiangrai United[a] | 30 | 16 | 6 | 8 | 48 | 32 | +16 | 54 | Qualification for 2022 AFC Champions League group stage |
| 5 | Bangkok United | 30 | 15 | 6 | 9 | 57 | 39 | +18 | 51 | |
| 6 | Samut Prakan City | 30 | 14 | 5 | 11 | 58 | 51 | +7 | 47[b] | |
| 7 | Muangthong United | 30 | 14 | 5 | 11 | 52 | 43 | +9 | 47[b] | |
| 8 | Ratchaburi Mitr Phol | 30 | 13 | 7 | 10 | 48 | 41 | +7 | 46 | |
| 9 | Nakhon Ratchasima | 30 | 11 | 9 | 10 | 40 | 41 | −1 | 42 | |
| 10 | PT Prachuap | 30 | 10 | 7 | 13 | 35 | 47 | −12 | 37 | |
| 11 | Police Tero | 30 | 10 | 6 | 14 | 32 | 50 | −18 | 36 | |
| 12 | Chonburi | 30 | 9 | 5 | 16 | 30 | 47 | −17 | 32 | |
| 13 | Suphanburi | 30 | 9 | 3 | 18 | 33 | 47 | −14 | 30 | |
| 14 | Sukhothai (R) | 30 | 8 | 4 | 18 | 40 | 57 | −17 | 28 | Relegation to Thai League 2 |
| 15 | Trat (R) | 30 | 4 | 5 | 21 | 31 | 64 | −33 | 17 | |
| 16 | Rayong (R) | 30 | 4 | 3 | 23 | 24 | 69 | −45 | 15 |
Source: Thai League
Rules for classification: 1) Points; 2) Head-to-head points; 3) Head-to-head goals difference; 4) Head-to-head goals scored; 5) Overall goals difference; 6) Overall goals scored; 7) Fair play points; 8) Play-off without extra time;).
(C) Champions; (R) Relegated
Notes:
Rules for classification: 1) Points; 2) Head-to-head points; 3) Head-to-head goals difference; 4) Head-to-head goals scored; 5) Overall goals difference; 6) Overall goals scored; 7) Fair play points; 8) Play-off without extra time;).
(C) Champions; (R) Relegated
Notes:
- ^ Chiangrai United qualified for the AFC Champions League group stage as 2020–21 Thai FA Cup winners.
- ^ a b Samut Prakan City finished ahead of Muangthong United on head-to-head points: Muangthong United 0–0 Samut Prakan City, Samut Prakan City 4–2 Muangthong United.
References