| Cerro Oncol | |
| Elevation M: | 715 |
| Prominence M: | 715 |
| Map: | Chile |
| Map Size: | 175 |
| Label Position: | left |
| Location: | Chile |
| Range: | Cordillera de Oncol |
| Coordinates: | -39.6667°N -90°W |
Cerro Oncol is a mountain located in the Cordillera de Oncol, Chile. With its 715 m it is the highest peak of the Chilean Coast Range between Nahuelbuta Range and Corral Bay. Cerro Oncol and its surroundings are located inside Oncol Park.