Cząstkowo [t͡ʂɔ̃stˈkɔvɔ] is a village in the administrative district of Gmina Trąbki Wielkie, within Gdańsk County, Pomeranian Voivodeship, in northern Poland. It lies approximately 7 kilometres (4 mi) west of Trąbki Wielkie, 19 km (12 mi) south-west of Pruszcz Gdański, and 28 km (17 mi) south-west of the regional capital Gdańsk.

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