Unieszyniec [uɲɛˈʂɨɲɛt͡s] is a settlement in the administrative district of Gmina Cewice, within Lębork County, Pomeranian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) west of Cewice, 15 km (9 mi) south-west of Lębork, and 66 km (41 mi) west of the regional capital Gdańsk.

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