| Somchai Makmool | |
| Fullname: | Somchai Makmool |
| Birth Date: | 17 November 1980 |
| Birth Place: | Thailand |
| Currentclub: | Trat (head coach) |
| Manageryears1: | 2014–2015 |
| Managerclubs1: | Sukhothai |
| Manageryears2: | 2016 |
| Managerclubs2: | Songkhla United |
| Manageryears3: | 2016–2017 |
| Managerclubs3: | Sukhothai |
| Manageryears4: | 2018 |
| Manageryears5: | 2018–2019 |
| Managerclubs5: | JL Chiangmai |
| Manageryears6: | 2019 |
| Managerclubs6: | Phitsanulok |
| Manageryears7: | 2019 |
| Managerclubs7: | Samut Sakhon |
| Manageryears8: | 2020–2021 |
| Managerclubs8: | Lampang |
| Manageryears9: | 2021 |
| Managerclubs9: | Khonkaen |
| Manageryears10: | 2021–2022 |
| Managerclubs10: | Muangkan United |
| Manageryears11: | 2022 |
| Managerclubs11: | Uthai Thani |
| Manageryears12: | 2022–2023 |
| Managerclubs12: | Krabi |
| Manageryears13: | 2023–2024 |
| Managerclubs13: | Khon Kaen |
| Manageryears14: | 2024 |
| Managerclubs14: | Kanchanaburi Power |
| Manageryears15: | 2024– |
| Managerclubs15: | Trat |
Somchai Makmool (th|สมชาย มากมูล; born 17 November 1980) is a Thai football manager He is currently the head coach of Thai League 2 club Trat.
| Team | From | To | Record | ||||
|---|---|---|---|---|---|---|---|
| Sukhothai | 27 September 2016 | 10 March 2017 | |||||
| 10 January 2018 | 26 July 2018 | ||||||
| JL Chiangmai | 21 October 2018 | 21 April 2019 | |||||
| Lampang | 21 November 2020 | 26 January 2021 | |||||
| Khonkaen | 17 February 2021 | 10 July 2021 | |||||
| Muangkan United | 19 October 2021 | 31 May 2022 | |||||
| Uthai Thani | 11 June 2022 | 16 October 2022 | |||||
| Krabi | 7 November 2022 | 10 July 2023 | |||||
| Kanchanaburi Power | 12 February 2024 | 5 October 2024 | |||||
| Trat | 10 October 2024 | Present | |||||
| Total | |||||||
Sukhothai
2016 (shared)Kanchanaburi Power