| Quchayuq | |
| Elevation M: | 3680 |
| Location: | Bolivia Potosí Department |
| Range: | Andes |
| Map: | Bolivia |
| Label Position: | right |
| Map Size: | 200 |
| Coordinates: | -20.6864°N -65.8236°W |
Quchayuq (Quechua qucha lake, -yuq a suffix, "the one with a lake (or lakes)", also spelled Khochayoj) is a mountain in the Andes of Bolivia which reaches a height of approximately 3680m (12,070feet). It is located in the Potosí Department, Nor Chichas Province, Cotagaita Municipality. Quchayuq lies northwest of Achakanayuq.