Boguszewo [bɔɡuˈʂɛvɔ] is a village in the administrative district of Gmina Miłomłyn, within Ostróda County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) south-west of Miłomłyn, 14 km (9 mi) west of Ostróda, and 49 km (30 mi) west of the regional capital Olsztyn.