Szumleś Szlachecki (Polish pronunciation: [ˈʂumlɛɕ ʂlaˈxɛtskʲi]) is a village in the administrative district of Gmina Nowa Karczma, within Kościerzyna County, Pomeranian Voivodeship, in northern Poland. It lies approximately 5 kilometres (3 mi) east of Nowa Karczma, 19 km (12 mi) east of Kościerzyna, and 35 km (22 mi) south-west of the regional capital Gdańsk.

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