Olszówka [ɔlˈʂufka] is a village in the administrative district of Gmina Morzeszczyn, within Tczew County, Pomeranian Voivodeship, in northern Poland. It lies approximately 4 kilometres (2 mi) south-west of Morzeszczyn, 32 km (20 mi) south of Tczew, and 61 km (38 mi) south of the regional capital Gdańsk.

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