| Lake Arapa | |
| Coords: | -15.1831°N -69.9694°W |
| Basin Countries: | Peru |
| Pushpin Map: | Peru |
| Pushpin Map Alt: | Location of the lake in Peru. |
Lake Arapa (Spanish; Castilian: link=no|Laguna de Arapa) is a peruvian lake situated in the Arapa and Chupa Districts in the Azángaro Province of the Puno Region. It is located 40 km from Juliaca.