Sędańsk [ˈsɛndaɲsk] (German: Seedanzig) is a village in the administrative district of Gmina Szczytno, within Szczytno County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 5 kilometres (3 mi) west of Szczytno and 37 km (23 mi) south-east of the regional capital Olsztyn.