Wilkasy [vilˈkasɨ] is a village in the administrative district of Gmina Giżycko, within Giżycko County, Warmian-Masurian Voivodeship, in north-eastern Poland.

Located on the western shore of Lake Niegocin, it is a popular summer tourist destination in Masuria.

The village dates back to the Middle Ages.

In 1493, the old privilege of the village was renewed, and its administrator at the time was Jan Górski.

This Giżycko County location article is a stub.