Bieśno [ˈbjɛɕnɔ] is a settlement in the administrative district of Gmina Wicko, within Lębork County, Pomeranian Voivodeship, in northern Poland. It lies approximately 6 kilometres (4 mi) north of Wicko, 22 km (14 mi) north-west of Lębork, and 78 km (48 mi) north-west of the regional capital Gdańsk.

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