| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Óscar Enrique•Huacuja Mercadillo | 
| Used name | Óscar•Huacuja | 
| Born | 26 July 1947 in Ciudad de México (Mexico City), Ciudad de México (MEX) | 
| Measurements | 179 cm / 72 kg | 
| NOC |  Mexico | 
Oscar Huacuja was a member of the silver medal winning team at the 1971 Pan American Games as well as of the bronze medal winning team at the 1975 Pan American Games.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1968 Summer Olympics | Hockey |  MEX | Óscar Huacuja | |||
| Hockey, Men (Olympic) | Mexico | 16 | ||||
| 1972 Summer Olympics | Hockey |  MEX | Óscar Huacuja | |||
| Hockey, Men (Olympic) | Mexico | 16 |