| Javier Mazzoni | |
| Fullname: | Javier Gustavo Mazzoni |
| Birth Date: | 4 February 1972 |
| Birth Place: | Don Bosco, Argentina |
| Height: | 1.81 m |
| Position: | Forward |
| Years1: | 1991–1994 |
| Years2: | 1994–1996 |
| Years3: | 1996–1999 |
| Caps3: | 19 |
| Goals3: | 1 |
| Years4: | 1999–2000 |
| Years5: | 2000–2003 |
| Caps5: | 49 |
| Goals5: | 16 |
| Years6: | 2002 |
| Clubs6: | → Figueirense (loan) |
| Years7: | 2003 |
| Caps7: | 16 |
| Goals7: | 2 |
| Years8: | 2003–2004 |
| Caps8: | 10 |
| Goals8: | 1 |
| Years9: | 2004–2005 |
| Caps9: | 8 |
| Goals9: | 0 |
| Years10: | 2005–2006 |
| Caps10: | 20 |
| Goals10: | 0 |
| Years11: | 2006–2007 |
Javier Gustavo Mazzoni (born 4 February 1972) is an Argentine retired footballer who played as a forward.
Born in Don Bosco, Buenos Aires, Mazzoni had a journeyman career after starting out at Club Atlético Independiente, going on to play top division football other than in his country with FC Nantes (France), FC Lausanne-Sport (Switzerland), Racing de Santander (Spain), Figueirense Futebol Clube (Brazil) and Montevideo Wanderers FC (Uruguay).
He retired in 2007, at the age of 35.