Brodna [ˈbrɔdna] is a village in the administrative district of Gmina Kaczory, within Piła County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 9 kilometres (6 mi) north-east of Kaczory, 14 km (9 mi) east of Piła, and 86 km (53 mi) north of the regional capital Poznań.