Wilnowo [vilˈnɔvɔ] (German Willnau) is a village in the administrative district of Gmina Morąg, within Ostróda County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 9 kilometres (6 mi) east of Morąg, 25 km (16 mi) north of Ostróda, and 33 km (21 mi) north-west of the regional capital Olsztyn.