Miedzno [ˈmjɛd͡znɔ] is a village in the administrative district of Gmina Karsin, within Kościerzyna County, Pomeranian Voivodeship, in northern Poland. It lies approximately 4 kilometres (2 mi) east of Karsin, 24 km (15 mi) south of Kościerzyna, and 67 km (42 mi) south-west of the regional capital Gdańsk.

For details of the history of the region, see History of Pomerania.