Sępolno [sɛmˈpɔlnɔ] is a village in the administrative district of Gmina Miedzichowo, within Nowy Tomyśl County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 6 kilometres (4 mi) east of Miedzichowo, 11 km (7 mi) north-west of Nowy Tomyśl, and 61 km (38 mi) west of the regional capital Poznań.