| Rubén Martínez | |
| Fullname: | Rubén Ignacio Martínez Núñez |
| Birth Date: | 27 November 1964 |
| Birth Place: | Santiago, Chile |
| Position: | Forward |
| Youthclubs1: | Escuela Banco del Estado |
| Years1: | 1980 |
| Clubs1: | Campos de Batalla |
| Caps1: | – |
| Goals1: | – |
| Years2: | 1981–1989 |
| Clubs2: | Cobresal |
| Caps2: | 158 |
| Goals2: | 71 |
| Years3: | 1990–1993 |
| Clubs3: | Colo-Colo |
| Caps3: | 82 |
| Goals3: | 52 |
| Years4: | 1993–1994 |
| Clubs4: | Santos Laguna |
| Caps4: | 41 |
| Goals4: | 13 |
| Years5: | 1994–1995 |
| Caps5: | 35 |
| Goals5: | 4 |
| Years6: | 1995 |
| Clubs6: | Unión Española |
| Caps6: | 17 |
| Goals6: | 6 |
| Years7: | 1996 |
| Clubs7: | Provincial Osorno |
| Caps7: | 0 |
| Goals7: | 0 |
| Years8: | 1996–1997 |
| Clubs8: | Deportes La Serena |
| Caps8: | 33 |
| Goals8: | 12 |
| Years9: | 1998–2000 |
| Clubs9: | Cobresal |
| Caps9: | 66 |
| Goals9: | 24 |
| Totalcaps: | 432 |
| Totalgoals: | 182 |
| Nationalyears1: | 1987–1990 |
| Nationalteam1: | Chile |
| Nationalcaps1: | 12 |
| Nationalgoals1: | 2 |
| Manageryears1: | 2013–2015 |
| Manageryears2: | 2016 |
| Manageryears3: | 2016–2017 |
| Manageryears4: | 2018 |
| Managerclubs4: | Deportes Linares |
Rubén Ignacio Martínez Núñez (born November 27, 1964, in Santiago, Chile), known as Rubén Martínez, is a former Chilean footballer who played in clubs of Chile and Mexico. He played as a forward.