| Marius Suller | |
| Fullname: | Marius Robert Suller |
| Height: | 1.76 m |
| Birth Date: | 1978 9, df=yes |
| Birth Place: | Cluj-Napoca, Romania |
| Currentclub: | Argeș Pitești (assistant) |
| Position: | Defender |
| Youthclubs1: | Universitatea Cluj |
| Years1: | 2000–2002 |
| Years2: | 2002–2009 |
| Years3: | 2003 |
| Years4: | 2003–2004 |
| Clubs1: | Minerul Vatra Dornei |
| Clubs2: | Universitatea Cluj |
| Clubs3: | → Unirea Dej (loan) |
| Clubs4: | → Olimpia Gherla (loan) |
| Caps2: | 104 |
| Goals2: | 2 |
| Totalcaps: | 104 |
| Totalgoals: | 2 |
| Manageryears1: | 2010–2011 |
| Managerclubs1: | Politehnica Iași (assistant) |
| Manageryears2: | 2012 |
| Managerclubs2: | Unirea Dej (assistant) |
| Manageryears3: | 2013–2014 |
| Managerclubs3: | UTA Arad (assistant) |
| Manageryears4: | 2014 |
| Managerclubs4: | ASA Târgu Mureș (assistant) |
| Manageryears5: | 2015 |
| Managerclubs5: | Universitatea Cluj (assistant) |
| Manageryears6: | 2015 |
| Managerclubs6: | Al Urooba (assistant) |
| Manageryears7: | 2015–2016 |
| Managerclubs7: | Concordia Chiajna (assistant) |
| Manageryears8: | 2017–2018 |
| Managerclubs8: | Universitatea Cluj (assistant) |
| Manageryears9: | 2019 |
| Managerclubs9: | Concordia Chiajna (assistant) |
| Manageryears10: | 2019 |
| Managerclubs10: | Victoria Cluj |
| Manageryears11: | 2020 |
| Managerclubs11: | Universitatea Cluj (assistant) |
| Manageryears12: | 2021 |
| Managerclubs12: | CSM Reșița (assistant) |
| Manageryears13: | 2021–2022 |
| Managerclubs13: | Victoria Cluj |
| Manageryears14: | 2022–2023 |
| Managerclubs14: | Universitatea Cluj U19 |
| Manageryears15: | 2024 |
| Managerclubs15: | Botoșani (assistant) |
| Manageryears16: | 2024– |
| Managerclubs16: | Argeș Pitești (assistant) |
Marius Robert Suller (born 5 September 1978) is a Romanian football coach and former player, currently assistant coach at Liga II club Argeș Pitești.
Universitatea Cluj