Żelazno [ʐɛˈlaznɔ] is a village in the administrative district of Gmina Wyrzysk, within Piła County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 6 kilometres (4 mi) east of Wyrzysk, 42 km (26 mi) east of Piła, and 87 km (54 mi) north of the regional capital Poznań.