Kamień (Polish pronunciation: [ˈkamjɛj̃]) is a settlement in the administrative district of Gmina Ruciane-Nida, within Pisz County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) north of Ruciane-Nida, 19 km (12 mi) north-west of Pisz, and 71 km (44 mi) east of the regional capital Olsztyn.