Karlin [ˈkarlin] is a village in the administrative district of Gmina Moszczenica, within Piotrków County, Łódź Voivodeship, in central Poland. It lies approximately 6 kilometres (4 mi) south-west of Moszczenica, 8 km (5 mi) north of Piotrków Trybunalski, and 38 km (24 mi) south of the regional capital Łódź.