Pokrzywnik [pɔˈkʂɨvnik] (Upper Sorbian: Kopřiwa) is a village in the administrative district of Gmina Zgorzelec, within Zgorzelec County, Lower Silesian Voivodeship, in south-western Poland, close to the German border.

It lies approximately 6 kilometres (4 mi) north-east of Zgorzelec and 137 km (85 mi) west of the regional capital Wrocław.