Marianów [maˈrjanuf] is a village in the administrative district of Gmina Aleksandrów, within Piotrków County, Łódź Voivodeship, in central Poland. It lies approximately 2 kilometres (1 mi) east of Aleksandrów, 27 km (17 mi) south-east of Piotrków Trybunalski, and 69 km (43 mi) south-east of the regional capital Łódź.