Pieny [ˈpjɛnɨ] is a village in the administrative district of Gmina Sępopol, within Bartoszyce County, Warmian-Masurian Voivodeship, in northern Poland, close to the border with the Kaliningrad Oblast of Russia. It lies approximately 6 kilometres (4 mi) west of Sępopol, 8 km (5 mi) east of Bartoszyce, and 59 km (37 mi) north-east of the regional capital Olsztyn.