Konstantynów [kɔnstanˈtɨnuf] is a village in the administrative district of Gmina Mniszków, within Opoczno County, Łódź Voivodeship, in central Poland. It lies approximately 4 kilometres (2 mi) west of Mniszków, 21 km (13 mi) west of Opoczno, and 57 km (35 mi) south-east of the regional capital Łódź.