Wałsnów [ˈvau̯snuf] is a village in the administrative district of Gmina Orońsko, within Szydłowiec County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) south-west of Orońsko, 11 km (7 mi) north-east of Szydłowiec, and 102 km (63 mi) south of Warsaw.