Piotrkówek Duży [pjɔtrˈkuvɛk ˈduʐɨ] is a village in the administrative district of Gmina Ożarów Mazowiecki, within Warsaw West County, Masovian Voivodeship, in east-central Poland. It lies approximately 2 kilometres (1 mi) east of Ożarów Mazowiecki and 13 km (8 mi) west of Warsaw.