Grzybowo [ɡʐɨˈbɔvɔ] (German Grzybowen (before 1929), Birkensee) is a village in the administrative district of Gmina Ryn, within Giżycko County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 13 kilometres (8 mi) north of Ryn, 11 km (7 mi) west of Giżycko, and 78 km (48 mi) east of the regional capital Olsztyn.