| Algay | |
| Elevation M: | 4425 |
| Range: | Andes |
| Location: | Huánuco Region, Huánuco Province, San Pedro de Chaulán District |
| Map: | Peru |
| Map Size: | 200 |
| Coordinates: | -10.0842°N -76.3919°W |
Algay (possibly from Quechua for to cut halfway through, to interrupt; to fail,) is a mountain in the Andes of Peru which reaches a height of approximately 4425m (14,518feet). It is located in the Huánuco Region, Huánuco Province, Chaulán District. It lies northeast of a lake and a mountain named Queuluacocha.