Marszewska Kolonia [marˈʂɛfska kɔˈlɔɲa] is a village in the administrative district of Gmina Przywidz, within Gdańsk County, Pomeranian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) north-east of Przywidz, 17 km (11 mi) west of Pruszcz Gdański, and 20 km (12 mi) south-west of the regional capital Gdańsk.

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