| Lake Azulcocha | |
| Pushpin Map: | Peru |
| Location: | Junín Region, Jauja Province |
| Coords: | -11.9389°N -76.0039°W |
| Basin Countries: | Peru |
| Azulcocha Dam | |
| Location Map: | Peru |
| Country: | Peru |
| Dam Height: | 8.5m (27.9feet) |
| Plant Operator: | Electroperu |
Lake Azulcocha (possibly from Spanish azul, blue; and Quechua qucha, lake) is a lake in the Pariacaca mountain range in the Andes of Peru. It is located in the Junín Region, Jauja Province, Canchayllo District. It lies northwest of Pariacaca, the highest mountain of the range. The lake belongs to the watershed of the Mantaro River.
In 1997 the Azulcocha dam was erected at the southeastern end of the lake at . The dam is 8.5m (27.9feet) high. It is operated by Electroperu.