Trzepnica [tʂɛpˈnit͡sa] is a village in the administrative district of Gmina Łęki Szlacheckie, within Piotrków County, Łódź Voivodeship, in central Poland. It lies approximately 7 kilometres (4 mi) north-west of Łęki Szlacheckie, 21 km (13 mi) south of Piotrków Trybunalski, and 66 km (41 mi) south of the regional capital Łódź.