Gnatowo-Kolonia [ɡnaˈtɔvɔ kɔˈlɔɲa] is a settlement in the administrative district of Gmina Kętrzyn, within Kętrzyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 3 kilometres (2 mi) west of Kętrzyn and 65 km (40 mi) north-east of the regional capital Olsztyn.