Kozieniec [kɔˈʑɛɲɛt͡s] is a village in the administrative district of Gmina Potworów, within Przysucha County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) north-west of Potworów, 20 km (12 mi) north of Przysucha, and 79 km (49 mi) south of Warsaw.