Pokrzywnica [pɔkʂɨvˈnit͡sa] is a village in the administrative district of Gmina Piątek, within Łęczyca County, Łódź Voivodeship, in central Poland. It lies approximately 3 kilometres (2 mi) south-west of Piątek, 19 km (12 mi) east of Łęczyca, and 30 km (19 mi) north of the regional capital Łódź.