Frąknowo [frɔnkˈnɔvɔ] is a village in the administrative district of Gmina Nidzica, within Nidzica County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 12 kilometres (7 mi) north-west of Nidzica and 39 km (24 mi) south of the regional capital Olsztyn.