Sielnica [ɕɛlˈnit͡sa] is a village in the administrative district of Gmina Dubiecko, within Przemyśl County, Subcarpathian Voivodeship, in south-eastern Poland. It lies approximately 6 kilometres (4 mi) south-west of Dubiecko, 33 km (21 mi) west of Przemyśl, and 35 km (22 mi) south-east of the regional capital Rzeszów.