Bagno [ˈbaɡnɔ] is a village in the administrative district of Gmina Lubień Kujawski, within Włocławek County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 2 kilometres (1 mi) north-west of Lubień Kujawski, 27 km (17 mi) south of Włocławek, and 78 km (48 mi) south-east of Toruń.