Mielno [ˈmjɛlnɔ] is a village in the administrative district of Gmina Szamotuły, within Szamotuły County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 15 kilometres (9 mi) west of Szamotuły and 41 km (25 mi) north-west of the regional capital Poznań.