Obrona Leśna [ɔˈbrɔna ˈlɛɕna] is a village in the administrative district of Gmina Żnin, within Żnin County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 7 kilometres (4 mi) north of Żnin and 32 km (20 mi) south-west of Bydgoszcz.