Semlinek [sɛmˈlinɛk] is a village in the administrative district of Gmina Zblewo, within Starogard County, Pomeranian Voivodeship, in northern Poland. It lies approximately 9 kilometres (6 mi) north-east of Zblewo, 8 km (5 mi) west of Starogard Gdański, and 45 km (28 mi) south of the regional capital Gdańsk.

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