Giślinek [ɡiˈɕlinɛk] is a settlement in the administrative district of Gmina Stary Dzierzgoń, within Sztum County, Pomeranian Voivodeship, in northern Poland. It lies approximately 14 kilometres (9 mi) north-east of Stary Dzierzgoń, 32 km (20 mi) east of Sztum, and 75 km (47 mi) south-east of the regional capital Gdańsk.

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