Bytkowice [bɨtkɔˈvit͡sɛ] is a village in the administrative district of Gmina Koronowo, within Bydgoszcz County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 5 kilometres (3 mi) south-west of Koronowo and 20 km (12 mi) north of Bydgoszcz.