Szymonowo (Polish: [ʂɨmɔˈnɔvɔ]) is a village in the administrative district of Gmina Małdyty, within Ostróda County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 7 kilometres (4 mi) south-east of Małdyty, 22 km (14 mi) north-west of Ostróda, and 47 km (29 mi) west of the regional capital Olsztyn.