Gajewo [ɡaˈjɛvɔ] is a village in the administrative district of Gmina Czarnków, within Czarnków-Trzcianka County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 9 kilometres (6 mi) west of Czarnków and 66 km (41 mi) north-west of the regional capital Poznań.