Banaszki [baˈnaʂki] (German: Gut Banaskeim or Bannaskeim) is a village in the administrative district of Gmina Kętrzyn, within Kętrzyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) north-west of Kętrzyn and 65 km (40 mi) north-east of the regional capital Olsztyn.