Obudno [ɔˈbudnɔ] is a village in the administrative district of Gmina Gąsawa, within Żnin County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 9 kilometres (6 mi) east of Gąsawa, 15 km (9 mi) south-east of Żnin, and 38 km (24 mi) south of Bydgoszcz.