Stefanków [stɛˈfaŋkuf] is a village in the administrative district of Gmina Jasieniec, within Grójec County, Masovian Voivodeship, in east-central Poland. It lies approximately 9 kilometres (6 mi) east of Jasieniec, 13 km (8 mi) east of Grójec, and 41 km (25 mi) south of Warsaw.