| Islaqucha | |
| Pushpin Map: | Peru |
| Location: | Peru Ayacucho Region |
| Coords: | -14.6475°N -73.8683°W |
Islaqucha (Spanish isla island, Quechua qucha lake, Hispanicized spelling Islaccocha) is a lake in Peru located in the Ayacucho Region, Lucanas Province, in the districts of Chipao and Pukyu. Islaqucha lies north of Pukaqucha and west of Apiñaqucha.