Wietrzno [ˈvjɛtʂnɔ] is a village in the administrative district of Gmina Dukla, within Krosno County, Subcarpathian Voivodeship, in south-eastern Poland, close to the border with Slovakia. It lies approximately 5 kilometres (3 mi) north-east of Dukla, 10 km (6 mi) south of Krosno, and 53 km (33 mi) south-west of the regional capital Rzeszów.