| Mario Gimeno | |
| Fullname: | Mario Gimeno Alonso |
| Birth Date: | 5 October 1969 |
| Birth Place: | Madrid, Spain |
| Position: | Midfielder |
| Youthclubs1: | Rayo Vallecano |
| Years1: | 1988–1990 |
| Years2: | 1990–1995 |
| Caps2: | 26 |
| Goals2: | 1 |
| Nationalyears1: | 1991 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 1991 |
| Nationalcaps2: | 1 |
| Nationalgoals2: | 0 |
Mario Gimeno Alonso, simply Mario (born 5 October 1969), is a Spanish retired footballer who played as a midfielder.