| Mario Larenas | |
| Fullname: | Mario Ignacio Larenas Díaz[1] |
| Birth Date: | 27 June 1994 |
| Birth Place: | Santiago, Chile |
| Height: | 1.82 m |
| Currentclub: | C.D. Antofagasta |
| Clubnumber: | -- |
| Position: | Left back |
| Youthyears1: | 2007–2012 |
| Youthclubs1: | Unión Española |
| Years1: | 2013–2023 |
| Clubs1: | Unión Española |
| Caps1: | 48 |
| Goals1: | 0 |
| Years2: | 2018 |
| Clubs2: | → Cobreloa (loan) |
| Caps2: | 22 |
| Goals2: | 0 |
| Years3: | 2023– |
| Clubs3: | C.D. Antofagasta |
| Caps3: | 0 |
| Goals3: | 0 |
| Nationalyears1: | 2012–2013 |
| Nationalteam1: | Chile U20 |
| Nationalcaps1: | 4 |
| Nationalgoals1: | 0 |
| Pcupdate: | 27 February 2019 |
| Ntupdate: | 3 February 2013 |
Mario Ignacio Larenas Díaz (born 27 June 1994) is a Chilean footballer who currently plays for Primera División de Chile club C.D. Antofagasta and the Chilean national U20 team.