Próchnowo [pruxˈnɔvɔ] is a village in the administrative district of Gmina Margonin, within Chodzież County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 5 kilometres (3 mi) south-east of Margonin, 17 km (11 mi) east of Chodzież, and 61 km (38 mi) north of the regional capital Poznań.