Kopanina [kɔpaˈnina] is a village in the administrative district of Gmina Burzenin, within Sieradz County, Łódź Voivodeship, in central Poland. It lies approximately 3 kilometres (2 mi) north-west of Burzenin, 15 km (9 mi) south of Sieradz, and 57 km (35 mi) south-west of the regional capital Łódź.