Trzcinisko [tʂt͡ɕiˈniskɔ] is a village in the administrative district of Gmina Cedry Wielkie, within Gdańsk County, Pomeranian Voivodeship, in northern Poland. It lies approximately 7 kilometres (4 mi) north of Cedry Wielkie, 16 km (10 mi) east of Pruszcz Gdański, and 17 km (11 mi) south-east of the regional capital Gdańsk.

The village lies on the left bank of the Dead Vistula river, across from the Sobieszewo Island

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