Olszyc Włościański (Polish pronunciation: [ˈɔlʂɨts fwɔɕˈtɕaj̃skʲi]) is a village in the administrative district of Gmina Domanice, within Siedlce County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) west of Domanice, 20 km (12 mi) south-west of Siedlce, and 79 km (49 mi) east of Warsaw.