Wilamowo Kętrzyn County
 Wilamowo [vilaˈmɔvɔ] (German: Wilhelmsdorf) is a village in the administrative district of Gmina Kętrzyn within Kętrzyn County Warmian-Masurian Voivodeship in northern Poland. It lies approximately 5 kilometres (3 mi) south-east of Kętrzyn and 68 km (42 mi) north-east of the regional capital Olsztyn.Before 1945 the area was part of Germany (East Prussia).The village has a population of 10.