Kokoszka [kɔˈkɔʂka] is a settlement in the administrative district of Gmina Ruciane-Nida, within Pisz County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 3 kilometres (2 mi) north of Ruciane-Nida, 18 km (11 mi) west of Pisz, and 70 km (43 mi) east of the regional capital Olsztyn.