Zalesiaki-Pieńki [zalɛˈɕaki ˈpjɛɲki] is a village in the administrative district of Gmina Działoszyn, within Pajęczno County, Łódź Voivodeship, in central Poland. It lies approximately 6 kilometres (4 mi) south of Działoszyn, 12 km (7 mi) south-west of Pajęczno, and 89 km (55 mi) south-west of the regional capital Łódź.