Niewierz [ˈɲɛvjɛʂ] is a village in the administrative district of Gmina Duszniki, within Szamotuły County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 3 kilometres (2 mi) west of Duszniki, 23 km (14 mi) south-west of Szamotuły, and 38 km (24 mi) west of the regional capital Poznań.