Ocieszyn [ɔˈt͡ɕɛʂɨn] is a village in the administrative district of Gmina Oborniki, within Oborniki County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 6 kilometres (4 mi) south of Oborniki and 23 km (14 mi) north of the regional capital Poznań.