Wąpiersk [ˈvɔmpjɛrsk] (kiedyś Wampirsk) is a village in the administrative district of Gmina Lidzbark, within Działdowo County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 7 kilometres (4 mi) north-east of Lidzbark, 24 km (15 mi) north-west of Działdowo, and 67 km (42 mi) south-west of the regional capital Olsztyn.