Dziewiszewo [d͡ʑɛviˈʂɛvɔ] is a village in the administrative district of Gmina Giżycko, within Giżycko County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 10 kilometres (6 mi) west of Giżycko and 80 km (50 mi) north-east of the regional capital Olsztyn.