| Marin Dună | |
| Birth Date: | 2 August 1967 |
| Birth Place: | Ogrezeni, Romania |
| Height: | 1.770NaN0 |
| Position: | Forward |
| Youthyears1: | –1986 |
| Youthclubs1: | Progresul București |
| Currentclub: | Voluntari (assistant) |
| Years1: | 1986–1999 |
| Clubs1: | Național București |
| Caps1: | 206 |
| Goals1: | 80 |
| Years2: | 1995 |
| Clubs2: | → Steaua București (loan) |
| Caps2: | 1 |
| Goals2: | 0 |
| Years3: | 1998 |
| Clubs3: | → Logroñés (loan) |
| Caps3: | 18 |
| Goals3: | 0 |
| Years4: | 2000–2002 |
| Clubs4: | Astra Ploieşti |
| Caps4: | 77 |
| Goals4: | 9 |
| Years5: | 2003 |
| Clubs5: | Metalul Plopeni |
| Caps5: | 9 |
| Goals5: | 3 |
| Years6: | 2003–2004 |
| Caps6: | 6 |
| Goals6: | 0 |
| Totalcaps: | 317 |
| Totalgoals: | 92 |
| Manageryears1: | 2005 |
| Managerclubs1: | Astra Ploieşti |
| Manageryears2: | 2006 |
| Managerclubs2: | Progresul București |
| Manageryears3: | 2007 |
| Managerclubs3: | Dacia Mioveni |
| Manageryears4: | 2007–2008 |
| Managerclubs4: | Prefab Modelu |
| Manageryears5: | 2010–2011 |
| Managerclubs5: | Victoria II Brănești |
| Manageryears6: | 2011–2012 |
| Managerclubs6: | Victoria Brănești |
| Manageryears7: | 2012–2013 |
| Managerclubs7: | Unirea Slobozia |
| Manageryears8: | 2014–2015 |
| Managerclubs8: | CS Ștefănești |
| Manageryears9: | 2015–2016 |
| Managerclubs9: | Voința Snagov |
| Manageryears10: | 2016 |
| Managerclubs10: | Concordia II Chiajna (assistant) |
| Manageryears11: | 2016 |
| Managerclubs11: | Concordia Chiajna (assistant) |
| Manageryears12: | 2017 |
| Managerclubs12: | Universitatea Craiova (assistant) |
| Manageryears13: | 2018 |
| Managerclubs13: | Concordia II Chiajna |
| Manageryears14: | 2018–2019 |
| Managerclubs14: | CS Progresul (technical director) |
| Manageryears15: | 2019–2021 |
| Managerclubs15: | Academica Clinceni (assistant) |
| Manageryears16: | 2021–2022 |
| Managerclubs16: | Gaz Metan Mediaș (assistant) |
| Manageryears17: | 2022 |
| Managerclubs17: | Gaz Metan Mediaș (caretaker) |
| Manageryears18: | 2022 |
| Managerclubs18: | UTA Arad (assistant) |
| Manageryears19: | 2023–2024 |
| Managerclubs19: | Voluntari (assistant) |
| Manageryears20: | 2024 |
| Managerclubs20: | Concordia Chiajna (assistant) |
| Manageryears21: | 2024– |
| Managerclubs21: | Voluntari (assistant) |
Marin Dună (born 2 August 1967) is a former Romanian professional footballer and currently a manager, currently assistant coach of Liga II club Voluntari.