Lubień (Polish pronunciation: [ˈlubjɛj̃]) is a village in the administrative district of Gmina Miedzichowo, within Nowy Tomyśl County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 15 kilometres (9 mi) north-west of Nowy Tomyśl and 64 km (40 mi) west of the regional capital Poznań.