Koszewo [kɔˈʂɛvɔ] (formerly German Groß Küssow) is a village in the administrative district of Gmina Stargard, within Stargard County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 12 kilometres (7 mi) south-west of Stargard and 27 km (17 mi) south-east of the regional capital Szczecin.
Before 1945 the area was part of Germany. For the history of the region, see History of Pomerania.
The village has a population of 438.