| Marcello Campolonghi | |
| Birth Date: | 15 February 1975 |
| Birth Place: | Piacenza, Italy |
| Height: | 1.80 m |
| Position: | Striker |
| Years1: | 1992–1993 |
| Years2: | 1993–1994 |
| Years3: | 1994–1995 |
| Years4: | 1995–1997 |
| Years5: | 1997–1999 |
| Years6: | 1997–1998 |
| Years7: | 1999 |
| Years8: | 1999–2000 |
| Years9: | 2000–2002 |
| Years10: | 2003 |
| Years11: | 2003–2004 |
| Years12: | 2004 |
| Years13: | 2005 |
| Years14: | 2005–2008 |
| Years15: | 2008–2009 |
| Years16: | 2009–2010 |
| Clubs1: | Piacenza |
| Clubs2: | Fidenza |
| Clubs3: | Maceratese |
| Clubs4: | Brescia |
| Clubs5: | Milan |
| Clubs6: | → Monza (loan) |
| Clubs7: | → Lecce (loan) |
| Clubs8: | Cesena |
| Clubs9: | Siena |
| Clubs10: | Crotone |
| Clubs11: | Reggiana |
| Clubs12: | Como |
| Clubs13: | Cremonese |
| Clubs14: | Pizzighettone |
| Clubs15: | Pavia |
| Clubs16: | Pizzighettone |
| Caps1: | 0 |
| Caps2: | 29 |
| Caps3: | 29 |
| Caps4: | 42 |
| Caps5: | 0 |
| Caps6: | 44 |
| Caps7: | 16 |
| Caps8: | 39 |
| Caps9: | 51 |
| Caps10: | 14 |
| Caps11: | 26 |
| Caps12: | 11 |
| Caps13: | 19 |
| Caps14: | 88 |
| Caps15: | 23 |
| Caps16: | 18 |
| Goals1: | 0 |
| Goals2: | 7 |
| Goals3: | 8 |
| Goals4: | 7 |
| Goals5: | 0 |
| Goals6: | 8 |
| Goals7: | 2 |
| Goals8: | 11 |
| Goals9: | 7 |
| Goals10: | 2 |
| Goals11: | 6 |
| Goals12: | 5 |
| Goals13: | 5 |
| Goals14: | 24 |
| Goals15: | 6 |
| Goals16: | 6 |
| Nationalyears1: | 1997 |
| Nationalteam1: | Italy U-23 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Marcello Campolonghi (born 15 February 1975) is an Italian former footballer who played as a forward.
Throughout his career he played for several teams in the Italian Serie B.