Laguna de Cotacotani (hispanicized expression) or Quta Qutani (Aymara quta lake, the reduplication signifies there is a group or complex of something, -ni is a suffix to indicate ownership, "the one with a group of lakes" ) is a lake located in the Andean Altiplano of the Parinacota Province, Arica-Parinacota Region, Chile.