Chróstowo [xrusˈtɔvɔ] is a settlement in the administrative district of Gmina Stężyca, within Kartuzy County, Pomeranian Voivodeship, in northern Poland. It lies approximately 2 kilometres (1 mi) north of Stężyca, 22 km (14 mi) south-west of Kartuzy, and 48 km (30 mi) west of the regional capital Gdańsk.

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