Unieszewo [uɲɛˈʂɛvɔ] is a village in the administrative district of Gmina Gietrzwałd, within Olsztyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 7 kilometres (4 mi) south-east of Gietrzwałd and 15 km (9 mi) south-west of the regional capital Olsztyn.