Nądnia [ˈnɔndɲa] is a village in the administrative district of Gmina Zbąszyń, within Nowy Tomyśl County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 5 kilometres (3 mi) south-west of Zbąszyń, 21 km (13 mi) south-west of Nowy Tomyśl, and 74 km (46 mi) west of the regional capital Poznań.