| Giuseppe Mazzarelli | |
| Birth Date: | 1972 8, df=yes |
| Birth Place: | Uster, Switzerland |
| Position: | Defender |
| Years1: | 1990–1995 |
| Years2: | 1996 |
| Years3: | 1996–1997 |
| Years4: | 1997–1999 |
| Years5: | 1999–2000 |
| Years6: | 2001–2003 |
| Years7: | 2004–2005 |
| Clubs1: | Zürich |
| Clubs2: | Manchester City |
| Clubs3: | Zürich |
| Clubs4: | Grasshoppers |
| Clubs5: | St. Gallen |
| Clubs6: | Bari |
| Clubs7: | Baden |
| Caps1: | 118 |
| Caps2: | 2 |
| Caps3: | 29 |
| Caps4: | 43 |
| Caps5: | 36 |
| Caps6: | 61 |
| Caps7: | 9 |
| Goals1: | 8 |
| Goals2: | 0 |
| Goals3: | 1 |
| Goals4: | 1 |
| Goals5: | 3 |
| Goals6: | 4 |
| Goals7: | 0 |
| Totalcaps: | 298 |
| Totalgoals: | 17 |
| Nationalyears1: | 1994–2002 |
| Nationalteam1: | Switzerland |
| Nationalcaps1: | 13 |
| Nationalgoals1: | 1 |
Giuseppe Mazzarelli (born 14 August 1972) is a former Swiss footballer who played as a defender.
During his career he played for FC Zürich, Manchester City F.C., Grasshopper Club Zürich, FC St. Gallen, A.S. Bari and FC Baden. He earned 12 caps for the Switzerland national football team.