Zduny [ˈzdunɨ] is a village in the administrative district of Gmina Opatówek, within Kalisz County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 5 kilometres (3 mi) west of Opatówek, 7 km (4 mi) east of Kalisz, and 113 km (70 mi) south-east of the regional capital Poznań.