Gąsawa [ɡɔ̃ˈsava] (German: Gonsawa, 1939-45 Gerlingen) is a village in Żnin County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It is the seat of the gmina (administrative district) called Gmina Gąsawa. It lies approximately 10 kilometres (6 mi) south of Żnin and 43 km (27 mi) south-west of Bydgoszcz.