Groszkowo [ɡrɔʂˈkɔvɔ] is a village in the administrative district of Gmina Sztutowo, within Nowy Dwór Gdański County, Pomeranian Voivodeship, in northern Poland. It lies approximately 5 kilometres (3 mi) south of Sztutowo, 10 km (6 mi) north-east of Nowy Dwór Gdański, and 38 km (24 mi) east of the regional capital Gdańsk.
Before 1945 the area was part of Germany. Groszkowo was called Graskau in German (see ). For the history of the region, see History of Pomerania.
The village has now a population of 150.
Coordinates: 54°17′27″N 19°11′47″E / 54.29083°N 19.19639°E