| Stefan Marini | |
| Height: | 1.71 m |
| Birth Date: | 1965 6, df=yes |
| Position: | defender |
| Currentclub: | Switzerland U17 (manager) |
| Years1: | 1983–1993 |
| Clubs1: | FC Luzern |
| Years2: | 1993–1994 |
| Clubs2: | FC Aarau |
| Nationalyears1: | 1986–1991 |
| Nationalteam1: | Switzerland |
| Nationalcaps1: | 19 |
| Nationalgoals1: | 0 |
| Manageryears1: | 1994–1995 |
| Managerclubs1: | FC Thun |
| Manageryears2: | 1995–1997 |
| Managerclubs2: | SC Cham |
| Manageryears3: | 2001–2003 |
| Managerclubs3: | SC Buochs |
| Manageryears4: | 2003–2008 |
| Managerclubs4: | SC Kriens |
| Manageryears5: | 2010–2013 |
| Managerclubs5: | FC Sursee |
| Manageryears6: | 2013–2014 |
| Managerclubs6: | Switzerland U15 |
| Manageryears7: | 2014–2015 |
| Managerclubs7: | Switzerland U16 |
| Manageryears8: | 2015–2016 |
| Managerclubs8: | Switzerland U17 |
| Manageryears9: | 2016–2017 |
| Managerclubs9: | Switzerland U15 |
| Manageryears10: | 2017– |
| Managerclubs10: | Switzerland U17 |
Stefan Marini (born 23 June 1965) is a retired Swiss football defender and later manager.