Sulęczyno [sulɛnˈt͡ʂɨnɔ] (Kashubian: Sëlëczëno, German: Sullenschin) is a village in Kartuzy County, Pomeranian Voivodeship, in northern Poland. It is the seat of the gmina (administrative district) called Gmina Sulęczyno. It lies approximately 31 kilometres (19 mi) west of Kartuzy and 59 km (37 mi) west of the regional capital Gdańsk.
For details of the history of the region, see History of Pomerania.
The village has a population of 1,500.