| Rubén Duarte | |
| Fullname: | Rubén Duarte Casillas |
| Birth Date: | 1 April 1967 |
| Birth Place: | Guanajuato, Guanajuato |
| Position: | Defender |
| Years1: | 1990–1991 |
| Manageryears1: | 2007–2008 |
| Managerclubs1: | Atlas (Assistant) |
| Manageryears2: | 2008–2009 |
| Managerclubs2: | Académicos |
| Manageryears3: | 2010–2014 |
| Manageryears4: | 2015 |
| Managerclubs4: | Académicos |
| Manageryears5: | 2016 |
| Managerclubs5: | Inter Playa (Assistant) |
| Manageryears6: | 2017–2018 |
| Managerclubs6: | Santos Laguna Reserves and Academy |
| Manageryears7: | 2018–2019 |
| Managerclubs7: | Santos Laguna (Assistant) |
| Manageryears8: | 2019 |
| Managerclubs8: | Santos Laguna (Interim) |
| Manageryears9: | 2019-2020 |
| Managerclubs9: | Atlas (Assistant) |
| Manageryears10: | 2020 |
| Managerclubs10: | Atlas (Interim) |
| Manageryears11: | 2021–2024 |
| Managerclubs11: | Sinaloa (Assistant) |
| Manageryears12: | 2024 |
| Managerclubs12: | Aucas (Assistant) |
Rubén Duarte Casillas (born 1 April 1967) is a Mexican football manager and former player.