Kierwiny [kʲɛrˈvinɨ] is a village in the administrative district of Gmina Kiwity, within Lidzbark County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 5 kilometres (3 mi) west of Kiwity, 8 km (5 mi) east of Lidzbark Warmiński, and 40 km (25 mi) north of the regional capital Olsztyn.