Łysów [ˈwɨsuf] is a village in the administrative district of Gmina Przesmyki, within Siedlce County, Masovian Voivodeship, in east-central Poland. It lies approximately 8 kilometres (5 mi) east of Przesmyki, 32 km (20 mi) north-east of Siedlce, and 116 km (72 mi) east of Warsaw.