Grzybowski Młyn [ɡʐɨˈbɔfski ˈmwɨn] is a settlement in the administrative district of Gmina Kościerzyna, within Kościerzyna County, Pomeranian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) south-west of Kościerzyna and 59 km (37 mi) south-west of the regional capital Gdańsk.

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