| Clubname: | Assumption United อัสสัมชัญ ยูไนเต็ด |
| Fullname: | Assumption United Football Club สโมสรฟุตบอลอัสสัมชัญ ยูไนเต็ด |
| Nickname: | The Magnate (เจ้าสัวน้อย) |
| Ground: | SCG Stadium Nonthaburi, Thailand |
| Capacity: | 15,000 |
| Chairman: | Arun Kongjaroen |
| Manager: | Narongrit Khuntip |
| League: | Thai League 3 |
| Season: | 2023–24 |
| Position: | Thai League 3, 9th of 11 in the Western region |
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Assumption United Football Club (Thai สโมสรฟุตบอลอัสสัมชัญ ยูไนเต็ด) is a Thailand semi professional football club based in Bangkok. The club is currently playing in the Thai League 3 Western region.
In 2022, Assumption United competed in the Thai League 3 for the 2022–23 season. It is their 12th season in the professional league. The club started the season with a 2–0 home win over Angthong[1] and they ended the season with a 1–2 away defeat to Angthong.[2] The club has finished 9th place in the league of the Western region.
| Coordinates | Location | Stadium | Capacity | Year |
|---|---|---|---|---|
| 13.6449°N 100.4108°W | Bang Khun Thian, Bangkok | The PAC Sport Center Stadium | 1,000 | 2011 |
| 13.734°N 100.3706°W | Thonburi, Bangkok | Assumption Thonburi School Stadium | 1,000 | 2012–2014 |
| 13.918°N 100.5474°W | Pak Kret, Nonthaburi | SCG Stadium | 15,000 | 2015 |
| 13.734°N 100.3706°W | Thonburi, Bangkok | Assumption Thonburi School Stadium | 1,000 | 2016–2017 |
| Season | League | FA Cup | League Cup | T3 Cup | Top goalscorer | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Division | P | W | D | L | F | A | Pts | Pos | Name | Goals | |||||
| 2011 | Bangkok | 30 | 6 | 11 | 13 | 22 | 42 | 29 | 13th | Opted out | Opted out | ||||
| 2012 | Bangkok | 34 | 11 | 12 | 11 | 33 | 30 | 45 | 9th | Opted out | Opted out | ||||
| 2013 | Bangkok | 26 | 10 | 8 | 8 | 33 | 26 | 38 | 6th | Opted out | Opted out | ||||
| 2014 | Bangkok | 26 | 7 | 8 | 11 | 29 | 36 | 29 | 10th | Opted out | Opted out | ||||
| 2015 | Bangkok | 26 | 12 | 6 | 8 | 39 | 30 | 42 | 3rd | R2 | Opted out | ||||
| 2016 | West | 22 | 5 | 10 | 7 | 25 | 26 | 25 | 9th | R1 | |||||
| 2017 | T4 West | 27 | 14 | 6 | 7 | 46 | 24 | 48 | 4th | Opted out | Opted out |  Natpasut Malison | 12 | ||
| 2018 | T4 West | 24 | 8 | 4 | 12 | 30 | 35 | 28 | 7th | Opted out | Opted out | Chalermsak Ruaygrabue | 8 | ||
| 2019 | T4 West | 24 | 14 | 4 | 6 | 44 | 30 | 46 | 3rd | Opted out | Opted out | Jakkrit Senkaew Surawut Sutthisak Akira Niiho | 9 | ||
| 2020–21 | T3 West | 17 | 6 | 2 | 9 | 19 | 20 | 20 | 6th | Opted out | Opted out | Chokanan Saima-in | 3 | ||
| 2021–22 | T3 West | 20 | 8 | 4 | 8 | 28 | 25 | 28 | 5th | Opted out | Opted out | Kakana Khamyok | 5 | ||
| 2022–23 | T3 West | 22 | 5 | 6 | 11 | 33 | 48 | 21 | 9th | Opted out | Opted out | Krittapak Seangsawat | 5 | ||
| 2023–24 | T3 West | 20 | 5 | 4 | 11 | 24 | 35 | 19 | 9th | Opted out | Opted out | Opted out | Imron Hayiyusoh | 7 | |
| bgcolor=gold | Champions | bgcolor=silver | Runners-up | Promoted | Relegated |