Janisławiec [janiˈswavjɛt͡s] is a village in the administrative district of Gmina Nowa Wieś Lęborska, within Lębork County, Pomeranian Voivodeship, in northern Poland. It lies approximately 7 kilometres (4 mi) north of Nowa Wieś Lęborska, 9 km (6 mi) north-west of Lębork, and 67 km (42 mi) north-west of the regional capital Gdańsk.

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