Klępiny is a village in the administrative district of Gmina Trąbki Wielkie, within Gdańsk County, Pomeranian Voivodeship, in northern Poland. It lies approximately 5 kilometres (3 mi) east of Trąbki Wielkie, 12 km (7 mi) south of Pruszcz Gdański, and 23 km (14 mi) south of the regional capital Gdańsk. It is located within the historic region of Pomerania.