Szymonówko (Polish: [ʂɨmɔˈnufkɔ]) is a village in the administrative district of Gmina Małdyty, within Ostróda County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 11 kilometres (7 mi) south-east of Małdyty, 19 km (12 mi) north-west of Ostróda, and 46 km (29 mi) west of the regional capital Olsztyn. The village is located by Lake Ruda Woda and features a public pier that provides convenient access to the water.