Krotoszyn [krɔˈtɔʂɨn] is a village in the administrative district of Gmina Barcin, within Żnin County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 1 kilometre (1 mi) south-east of Barcin, 18 km (11 mi) east of Żnin, and 31 km (19 mi) south of Bydgoszcz.