Garbno is a village in the administrative district of Gmina Korsze, within Kętrzyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 11 kilometres (7 mi) south-east of Korsze, 9 km (6 mi) north-west of Kętrzyn, and 65 km (40 mi) north-east of the regional capital Olsztyn.