Radoniq Lake (; /RadonjiÃÂko jezero) is a lake in Kosovo. After Gazivoda Lake, it is the second largest in the country at 5.62 km<sup>2</sup>.
Before the lake was created in the 1980s, there was a village here, named Radoniq. The lake started to be filled with water in March 1983, supplied by the rivers Lumbardhi i Deçanit and Përrua i Ratishit.
In 1998, the lake was the site of the Lake RadonjiÃÂ massacre.