Głogno [ˈɡwɔɡnɔ] is a village in the administrative district of Gmina Piecki, within Mrągowo County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 9 kilometres (6 mi) west of Piecki, 15 km (9 mi) south-west of Mrągowo, and 48 km (30 mi) east of the regional capital Olsztyn.