Tuczno [ˈtut͡ʂnɔ] is a village in the administrative district of Gmina Złotniki Kujawskie, within Inowrocław County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 6 kilometres (4 mi) south of Złotniki Kujawskie, 11 km (7 mi) north-west of Inowrocław, 31 km (19 mi) south of Bydgoszcz, and 39 km (24 mi) south-west of Toruń.