Rączki [ˈrɔnt͡ʂki] is a village in the administrative district of Gmina Nidzica, within Nidzica County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 9 kilometres (6 mi) north-west of Nidzica and 44 km (27 mi) south of the regional capital Olsztyn.