Marianowo [marjaˈnɔvɔ] is a settlement in the administrative district of Gmina Międzyrzecz, within Międzyrzecz County, Lubusz Voivodeship, in western Poland. It lies approximately 7 kilometres (4 mi) north-east of Międzyrzecz, 41 km (25 mi) south-east of Gorzów Wielkopolski, and 61 km (38 mi) north of Zielona Góra.