Pokrzywnica [pɔkʂɨvˈnit͡sa] is a village in the administrative district of Gmina Goworowo, within Ostrołęka County, Masovian Voivodeship, in east-central Poland. It lies approximately 5 kilometres (3 mi) north-east of Goworowo, 15 km (9 mi) south of Ostrołęka, and 90 km (56 mi) north-east of Warsaw.