Manasterzec [manaˈstɛʐɛt͡s] is a village in the administrative district of Gmina Lesko, within Lesko County, Subcarpathian Voivodeship, in south-eastern Poland. It lies approximately 6 kilometres (4 mi) north of Lesko and 63 km (39 mi) south-east of the regional capital Rzeszów.