Zwiernik [ˈzvjɛrnik] is a village in the administrative district of Gmina Pilzno, within Dębica County, Subcarpathian Voivodeship, in south-eastern Poland. It lies approximately 7 kilometres (4 mi) south-west of Pilzno, 19 km (12 mi) south-west of Dębica, and 58 km (36 mi) west of the regional capital Rzeszów.