Jastrzębiec [jasˈtʂɛmbjɛt͡s] is a village in the administrative district of Gmina Czernice Borowe, within Przasnysz County, Masovian Voivodeship, in east-central Poland. It lies approximately 8 kilometres (5 mi) north of Czernice Borowe, 13 km (8 mi) north-west of Przasnysz, and 100 km (62 mi) north of Warsaw.