Bykowo [bɨˈkɔvɔ] is a village in the administrative district of Gmina Korsze, within Kętrzyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 6 kilometres (4 mi) north-west of Korsze, 24 km (15 mi) north-west of Kętrzyn, and 63 km (39 mi) north-east of the regional capital Olsztyn.