Pieczysko [pjɛˈt͡ʂɨskɔ] (German: Pieczisko (1938-45:Waldofen)) is a settlement in the administrative district of Gmina Ruciane-Nida, within Pisz County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 10 kilometres (6 mi) south-east of Ruciane-Nida, 10 km (6 mi) west of Pisz, and 80 km (50 mi) east of the regional capital Olsztyn.