Gumnisko [ɡumˈniskɔ] is a village in the administrative district of Gmina Sokolniki, within Wieruszów County, Łódź Voivodeship, in central Poland. It lies approximately 3 kilometres (2 mi) north-west of Sokolniki, 12 km (7 mi) east of Wieruszów, and 95 km (59 mi) south-west of the regional capital Łódź.