Duszniki [duʂˈniki] is a village in the administrative district of Gmina Warta, within Sieradz County, Łódź Voivodeship, in central Poland. It lies approximately 2 kilometres (1 mi) south of Warta, 13 km (8 mi) north-west of Sieradz, and 59 km (37 mi) west of the regional capital Łódź.