Barnowski Młyn [barˈnɔfski ˈmwɨn] is a former settlement in the administrative district of Gmina Kołczygłowy, within Bytów County, Pomeranian Voivodeship, in northern Poland. It lies approximately 4 kilometres (2 mi) east of Kołczygłowy, 19 km (12 mi) north-west of Bytów, and 90 km (56 mi) west of the regional capital Gdańsk.

Before 1637 Duchy of Pomerania, next area of Farther Pomerania, was part of Germany. For the history of the region, see History of Pomerania.