# 2021–22 in Thai football

The 2021–22 season is the 106th season of competitive association football in Thailand.

## National teams
### Thailand national football team
#### Results and fixtures
##### 2020 AFF Championship
###### Group A

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
| 1 | Thailand | 4 | 4 | 0 | 0 | 10 | 1 | +9 | 12 | Advance to semi-finals |
| 2 | Singapore (H) | 4 | 3 | 0 | 1 | 7 | 3 | +4 | 9 | Advance to semi-finals |
| 3 | Philippines | 4 | 2 | 0 | 2 | 12 | 6 | +6 | 6 | |
| 4 | Myanmar | 4 | 1 | 0 | 3 | 4 | 10 | −6 | 3 | |
| 5 | East Timor | 4 | 0 | 0 | 4 | 0 | 13 | −13 | 0 | |

###### Finals
## AFC competitions
### AFC Champions League
#### Group stage
##### Group F

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification | ULS | PAT | VIE | KAY |
| 1 | Ulsan Hyundai | 6 | 6 | 0 | 0 | 13 | 1 | +12 | 18 | Advance to Round of 16 | — | 2–0 | 3–0 | 2–1 |
| 2 | BG Pathum United (H) | 6 | 4 | 0 | 2 | 10 | 6 | +4 | 12 | Advance to Round of 16 | 0–2 | — | 2–0 | 4–1 |
| 3 | Viettel | 6 | 2 | 0 | 4 | 7 | 9 | −2 | 6 | | 0–1 | 1–3 | — | 1–0 |
| 4 | Kaya–Iloilo | 6 | 0 | 0 | 6 | 2 | 16 | −14 | 0 | | 0–3 | 0–1 | 0–5 | — |

##### Group G

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification | NAG | POH | JOH | RAT |
| 1 | Nagoya Grampus | 6 | 5 | 1 | 0 | 14 | 2 | +12 | 16 | Advance to Round of 16 | — | 3–0 | 2–1 | 3–0 |
| 2 | Pohang Steelers | 6 | 3 | 2 | 1 | 9 | 5 | +4 | 11 | Advance to Round of 16 | 1–1 | — | 4–1 | 2–0 |
| 3 | Johor Darul Ta'zim | 6 | 1 | 1 | 4 | 3 | 9 | −6 | 4 | | 0–1 | 0–2 | — | 0–0 |
| 4 | Ratchaburi Mitr Phol (H) | 6 | 0 | 2 | 4 | 0 | 10 | −10 | 2 | | 0–4 | 0–0 | 0–1 | — |

##### Group H

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification | JEO | GAM | CHI | TAM |
| 1 | Jeonbuk Hyundai Motors | 6 | 5 | 1 | 0 | 22 | 5 | +17 | 16 | Advance to Round of 16 | — | 2–1 | 2–1 | 9–0 |
| 2 | Gamba Osaka | 6 | 2 | 3 | 1 | 15 | 7 | +8 | 9 | | 2–2 | — | 1–1 | 8–1 |
| 3 | Chiangrai United | 6 | 2 | 2 | 2 | 8 | 7 | +1 | 8 | | 1–3 | 1–1 | — | 1–0 |
| 4 | Tampines Rovers | 6 | 0 | 0 | 6 | 1 | 27 | −26 | 0 | | 0–4 | 0–2 | 0–3 | — |

##### Group J

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification | CER | KIT | POR | GZH |
| 1 | Cerezo Osaka | 6 | 4 | 2 | 0 | 13 | 2 | +11 | 14 | Advance to Round of 16 | — | 2–1 | 1–1 | 5–0 |
| 2 | Kitchee | 6 | 3 | 2 | 1 | 6 | 3 | +3 | 11 | | 0–0 | — | 2–0 | 1–0 |
| 3 | Port (H) | 6 | 2 | 2 | 2 | 10 | 8 | +2 | 8 | | 0–3 | 1–1 | — | 3–0 |
| 4 | Guangzhou | 6 | 0 | 0 | 6 | 1 | 17 | −16 | 0 | | 0–2 | 0–1 | 1–5 | — |

#### Round of 16
## Thai competitions

| League | Promoted to league | Relegated from league | Expelled or Dissolved |
| Thai League 1 | Nongbua Pitchaya Chiangmai United Khon Kaen United | Sukhothai Trat Rayong | None |
| Thai League 2 | Lamphun Warriors Muangkan United Rajpracha | Samut Sakhon Sisaket Uthai Thani | None |
| Thai League 3 | None | None | None |

### Thai League 1

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
| 1 | Buriram United (C, Q) | 30 | 19 | 5 | 6 | 48 | 19 | +29 | 62 | Qualification for 2023–24 AFC Champions League group stage |
| 2 | BG Pathum United (Q) | 30 | 17 | 9 | 4 | 52 | 27 | +25 | 60 | Qualification for 2023–24 AFC Champions League qualifying play-offs |
| 3 | Bangkok United | 30 | 15 | 8 | 7 | 53 | 30 | +23 | 53 | |
| 4 | Muangthong United | 30 | 13 | 10 | 7 | 46 | 35 | +11 | 49 | |
| 5 | Chiangrai United | 30 | 13 | 8 | 9 | 33 | 35 | −2 | 47 | |
| 6 | Nongbua Pitchaya | 30 | 13 | 8 | 9 | 42 | 35 | +7 | 47 | |
| 7 | Chonburi | 30 | 12 | 8 | 10 | 50 | 40 | +10 | 44 | |
| 8 | Port | 30 | 11 | 6 | 13 | 41 | 37 | +4 | 39 | |
| 9 | Nakhon Ratchasima | 30 | 10 | 7 | 13 | 33 | 47 | −14 | 37 | |
| 10 | Khonkaen United | 30 | 10 | 7 | 13 | 30 | 43 | −13 | 37 | |
| 11 | Police Tero | 30 | 8 | 13 | 9 | 33 | 39 | −6 | 37 | |
| 12 | Ratchaburi Mitr Phol | 30 | 9 | 9 | 12 | 32 | 36 | −4 | 36 | |
| 13 | PT Prachuap | 30 | 8 | 7 | 15 | 30 | 45 | −15 | 31 | |
| 14 | Suphanburi (R) | 30 | 8 | 6 | 16 | 35 | 49 | −14 | 30 | Relegation to Thai League 2 |
| 15 | Samut Prakan City (R) | 30 | 6 | 10 | 14 | 29 | 42 | −13 | 28 | Relegation to Thai League 2 |
| 16 | Chiangmai United (R) | 30 | 4 | 7 | 19 | 28 | 56 | −28 | 19 | Relegation to Thai League 2 |

### Thai League 2

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification or relegation |
| 1 | Lamphun Warriors (C, P) | 34 | 22 | 8 | 4 | 66 | 30 | +36 | 74 | Promotion to 2022–23 Thai League 1 |
| 2 | Sukhothai (P) | 34 | 22 | 7 | 5 | 78 | 44 | +34 | 73 | Promotion to 2022–23 Thai League 1 |
| 3 | Trat | 34 | 20 | 8 | 6 | 55 | 33 | +22 | 68 | Qualification for promotion play-offs |
| 4 | Lampang (O, P) | 34 | 15 | 12 | 7 | 67 | 38 | +29 | 57 | Qualification for promotion play-offs |
| 5 | Chainat Hornbill | 34 | 15 | 12 | 7 | 58 | 46 | +12 | 57 | Qualification for promotion play-offs |
| 6 | Phrae United | 34 | 14 | 12 | 8 | 51 | 35 | +16 | 54 | Qualification for promotion play-offs |
| 7 | Muangkan United (R) | 34 | 14 | 10 | 10 | 70 | 62 | +8 | 52 | Relegation to 2023 Thailand Amateur League |
| 8 | Udon Thani | 34 | 13 | 8 | 13 | 53 | 58 | −5 | 47 | |
| 9 | Rayong | 34 | 13 | 7 | 14 | 45 | 41 | +4 | 46 | |
| 10 | Nakhon Pathom United | 34 | 10 | 12 | 12 | 42 | 47 | −5 | 42 | |
| 11 | Ayutthaya United | 34 | 10 | 11 | 13 | 40 | 50 | −10 | 41 | |
| 12 | Ranong United | 34 | 10 | 11 | 13 | 35 | 45 | −10 | 41 | |
| 13 | Kasetsart | 34 | 9 | 12 | 13 | 32 | 47 | −15 | 39 | |
| 14 | Chiangmai | 34 | 10 | 8 | 16 | 39 | 55 | −16 | 38 | |
| 15 | Customs Ladkrabang United | 34 | 9 | 8 | 17 | 44 | 63 | −19 | 35 | |
| 16 | Rajpracha | 34 | 7 | 12 | 15 | 34 | 44 | −10 | 33 | |
| 17 | Khon Kaen (R) | 34 | 5 | 9 | 20 | 32 | 60 | −28 | 24 | Relegation to 2022–23 Thai League 3 |
| 18 | Navy (R) | 34 | 2 | 5 | 27 | 28 | 71 | −43 | 11 | Relegation to 2022–23 Thai League 3 |
* 1 2 The head-to-head record was a tie, Lampang ahead on overall goals difference.
* ↑ Muangkan United administratively relegated to 2023 Thailand Amateur League by FA Thailand decision because of the failure about club licensing.
* 1 2 Ayutthaya United ahead on head-to-head points record; Ayutthaya United 4 pts, Ranong United 1 pt.

### Cup competitions
#### Thai FA Cup
#### Thailand Champions Cup
## Managerial changes

This is a list of changes of managers within Thai league football:
| Team | Outgoing manager | Manner of departure | Date of departure | Position in table | Incoming manager | Date of appointment |
| Rayong | Masami Taki | Sacked | 29 March 2021 | Pre-season | Sugao Kambe | 17 April 2021 |
| PT Prachuap | Thawatchai Damrong-Ongtrakul | Mutual Consent | 30 March 2021 | Pre-season | Masami Taki | 30 March 2021 |
| Sukhothai | Surapong Kongthep | Resigned | 31 March 2021 | Pre-season | Dennis Amato | 8 May 2021 |
| Customs United | Santi Songte | Resigned | 20 April 2021 | Pre-season | Damian Bellón | 20 April 2021 |
| Ranong United | Damian Bellón | Signed by Customs United | 20 April 2021 | Pre-season | Reuther Moreira | 28 April 2021 |
| Chiangmai United | Dennis Amato | Resigned | 24 April 2021 | Pre-season | Surapong Kongthep | 15 June 2021 |
| Nongbua Pitchaya | Somchai Chuayboonchum | Sacked | 28 April 2021 | Pre-season | Thawatchai Damrong-Ongtrakul | 4 May 2021 |
| Navy | Chalermwoot Sa-ngapol | Resigned | 28 April 2021 | Pre-season | Mitsuo Kato | 28 April 2021 |
| Rajpracha | Jakkrit Bunkham | Mutual Consent | 28 April 2021 | Pre-season | Dusit Chalermsan | 29 April 2021 |
| BG Pathum United | Dusit Chalermsan | Signed by Rajpracha | 29 April 2021 | Pre-season | Aurelio Vidmar | 30 April 2021 |
| Chiangmai | Amnaj Kaewkiew | Redesignated | 6 May 2021 | Pre-season | Pairoj Borwonwatanadilok | 6 May 2021 |
| Khonkaen United | Patipat Robroo | Redesignated | 10 May 2021 | Pre-season | Carlos Eduardo Parreira | 10 May 2021 |
| Lampang | Weerayut Binebdullohman | Resigned | 2 June 2021 | Pre-season | Sukrit Yothee | 3 June 2021 |
| Udon Thani | Sirisak Yodyardthai | End of contract | 8 June 2021 | Pre-season | Fernando Sales | 9 June 2021 |
| Khon Kaen | Somchai Makmool | Resigned | 10 July 2021 | Pre-season | Masayuki Miura | |
| Trat | Phayong Khunnaen | Mutual Consent | 13 June 2021 | Pre-season | Somchai Chuayboonchum | 14 June 2021 |
| Port | Sarawut Treephan | Redesignated | 20 July 2021 | Pre-season | Dusit Chalermsan | 20 July 2021 |
| Rajpracha | Dusit Chalermsan | Signed by Port | 20 July 2021 | Pre-season | Tanongsak Prajakkata | 27 September 2021 |
| Udon Thani | Fernando Sales | End of contract | | Pre-season | Daniel Blanco | 23 August 2021 |
| Muangkan United | Jadet Meelarp | Mutual Consent | 29 September 2021 | 13th | Somchai Makmool | 19 October 2021 |
| Navy | Mitsuo Kato | Mutual Consent | 1 October 2021 | 18th | Chalermwoot Sa-ngapol | 1 October 2021 |
| Chiangmai United | Surapong Kongthep | Redesignated | 10 October 2021 | 15th | Surachai Jirasirichote (caretaker) | 11 October 2021 |
| Mahasarakham | Keeratikorn Janklan | Mutual Consent | 18 October 2021 | 12th | Jakarat Tonhongsa | 21 October 2021 |
| Udon Thani | Daniel Blanco | Resigned | 22 October 2021 | 4th | Hagen Hübner (caretaker) | 23 October 2021 |
| Chiangmai United | Surachai Jirasirichote | End of caretaker spell | 26 October 2021 | 16th | Ailton dos Santos Silva | 27 October 2021 |
| Pattaya Dolphins United | Sarawut Janthapan | Mutual Consent | 30 October 2021 | 1st | Sirisak Yodyardthai | 1 November 2021 |
| Udon Thani | Hagen Hübner | End of caretaker spell | 2 November 2021 | | Jörg Steinebrunner | 17 December 2021 |
| Samutsongkhram | Panupong Chimpook | Resigned | 3 November 2021 | 11th | Chonlathit Krutthiang | 4 November 2021 |
| Ubon Kruanapat | Tana Chanabut | Sacked | 7 November 2021 | 7th | Jetsadakorn Hemdaeng | 30 November 2021 |
| Lamphun Warriors | Jongsarit Wutchuay | Redesignated | 8 November 2021 | 6th | Wanderley Junior | 11 November 2021 |
| Phrae United | Arnon Bundasak | Mutual Consent | 8 November 2021 | 4th | Pichitphong Choeichiu (caretaker) | 8 November 2021 |
| Port | Dusit Chalermsan | Resigned | 11 November 2021 | 8th | Sarawut Treephan | 11 November 2021 |
| STK Muangnont | Ittiphon Pimwong | Redesignated | 11 November 2021 | 6th | Jatupong Thongsukh | 11 November 2021 |
| BG Pathum United | Aurelio Vidmar | Resigned | 14 November 2021 | 3rd | Dusit Chalermsan | 14 November 2021 |
| PT Prachuap | Masami Taki | Sacked | 15 November 2021 | 14th | Issara Sritaro | 15 November 2021 |
| Songkhla | Daiki Higuchi | Mutual Consent | 15 November 2021 | 4th | | |
| Customs United | Damian Bellón | Sacked | 22 November 2021 | 10th | Varit Boonsripittayanon (caretaker) | 22 November 2021 |
| Samut Prakan City | Masatada Ishii | End of contract | 27 November 2021 | 13th | Yasushi Yoshida | 11 December 2021 |
| Khon Kaen | Masayuki Miura | Signed by Buriram United academy | 28 November 2021 | 15th | Daniel Blanco | 30 November 2021 |
| Buriram United | Alexandre Gama | Mutual Consent | 28 November 2021 | 1st | Masatada Ishii | 1 December 2021 |
| Trang | Itthiphol Nonsiri | Resigned | 29 November 2021 | 5th | | |
| Phitsanulok | Chamnan Phraekhunthot | Sacked | | 2nd | Damian Bellón | 2 December 2021 |
| Rajpracha | Tanongsak Prajakkata | Mutual Consent | 7 December 2021 | 17th | Aktaporn Chalitaporn | 7 December 2021 |
| Nakhon Si United | Aktaporn Chalitaporn | Signed by Rajpracha | 7 December 2021 | 1st | | |
| Kanchanaburi | Pannarai Pansiri | Mutual Consent | 8 December 2021 | 2nd | | |
| Uttaradit | | | | | Chamnan Phraekhunthot | 8 December 2021 |
| STK Muangnont | Jatupong Thongsukh | Mutual Consent | 10 December 2021 | 8th | Ekalak Thong-am | 10 December 2021 |
| Chainat United | Somdet Hitates | Sacked | 10 December 2021 | 9th | | |
| Rayong | Sugao Kambe | Sacked | 10 December 2021 | 13th | Masami Taki | 21 December 2021 |