Gaudyny [ɡauˈdɨnɨ] is a village in the administrative district of Gmina Pieniężno, within Braniewo County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) north of Pieniężno, 21 km (13 mi) south-east of Braniewo, and 62 km (39 mi) north-west of the regional capital Olsztyn.