Wiesiołów [vjɛˈɕɔwuf] is a village in the administrative district of Gmina Dmosin, within Brzeziny County, Łódź Voivodeship, in central Poland. It lies approximately 4 kilometres (2 mi) east of Dmosin, 16 km (10 mi) north of Brzeziny, and 29 km (18 mi) north-east of the regional capital Łódź.