Kopaniny [kɔpaˈninɨ] is a village in the administrative district of Gmina Sokolniki, within Wieruszów County, Łódź Voivodeship, in central Poland. It lies approximately 4 kilometres (2 mi) west of Sokolniki, 10 km (6 mi) east of Wieruszów, and 98 km (61 mi) south-west of the regional capital Łódź.