Ostaszewo [ɔstaˈʂɛvɔ] is a village in Nowy Dwór Gdański County, Pomeranian Voivodeship, in northern Poland.

It is the seat of the gmina (administrative district) called Gmina Ostaszewo.

[1] It lies approximately 12 kilometres (7 mi) west of Nowy Dwór Gdański and 27 km (17 mi) south-east of the regional capital Gdańsk.

Before 1772 the area was part of Kingdom of Poland, 1772-1919 Prussia and Germany, 1920-1939 Free City of Danzig, 1939 - February 1945 Nazi Germany.

This Nowy Dwór Gdański County location article is a stub.