Krzywy Róg [ˈkʂɨvɨ ˈruk] is a settlement in the administrative district of Gmina Piecki, within Mrągowo County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 4 kilometres (2 mi) north-west of Piecki, 12 km (7 mi) south of Mrągowo, and 53 km (33 mi) east of the regional capital Olsztyn.