Pieńki [ˈpjɛɲki] is a village in the administrative district of Gmina Rozprza, within Piotrków County, Łódź Voivodeship, in central Poland. It lies approximately 4 kilometres (2 mi) north of Rozprza, 9 km (6 mi) south-west of Piotrków Trybunalski, and 52 km (32 mi) south of the regional capital Łódź.