Marianowo [marjaˈnɔvɔ] is a village in the administrative district of Gmina Wronki, within Szamotuły County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 3 kilometres (2 mi) south-west of Wronki, 18 km (11 mi) north-west of Szamotuły, and 49 km (30 mi) north-west of the regional capital Poznań.