Wądzyn [ˈvɔnd͡zɨn] is a village in the administrative district of Gmina Dąbrówno, within Ostróda County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 2 kilometres (1 mi) south of Dąbrówno, 32 km (20 mi) south of Ostróda, and 52 km (32 mi) south-west of the regional capital Olsztyn.