Wtelno [ˈftɛlnɔ] is a village in the administrative district of Gmina Koronowo, within Bydgoszcz County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies 9 kilometres (6 mi) south of Koronowo and 16 km (10 mi) north-west of Bydgoszcz.