Marianów [maˈrjanuf] is a village in the administrative district of Gmina Wojcieszków, within Łuków County, Lublin Voivodeship, in eastern Poland. It lies approximately 5 kilometres (3 mi) east of Wojcieszków, 18 km (11 mi) south of Łuków, and 59 km (37 mi) north of the regional capital Lublin.