| Lake Llamacocha | |
| Pushpin Map: | Peru |
| Location: | Peru Ancash Region |
| Coords: | -8.5892°N -77.7175°W |
Lake Llamacocha (possibly from Quechua llama llama, qucha lake) is a lake in the Andes of Peru. It is located in the Ancash Region, Corongo Province, Cusca District.