Marianów [maˈrjanuf] is a village in the administrative district of Gmina Solec nad Wisłą, within Lipsko County, Masovian Voivodeship, in east-central Poland. It lies approximately 7 kilometres (4 mi) south of Solec nad Wisłą, 13 km (8 mi) south-east of Lipsko, and 138 km (86 mi) south-east of Warsaw.