| Javier Mancini | |
| Fullname: | Javier Gustavo Mancini Rios |
| Birth Date: | 19 January 1978 |
| Birth Place: | Montevideo, Uruguay |
| Position: | Midfielder |
| Years1: | 1998 |
| Years2: | 1999 |
| Years3: | 1999–2004 |
| Years4: | 2005 |
| Caps4: | 4 |
| Goals4: | 0 |
| Years5: | 2007 |
| Years6: | 2007–2008 |
Javier Gustavo Mancini Rios (born 19 January 1978 in Montevideo) is a former Uruguayan football player.