Łekno [ˈwɛknɔ] is a settlement in the administrative district of Gmina Szemud, within Wejherowo County, Pomeranian Voivodeship, in northern Poland. It lies approximately 5 kilometres (3 mi) south-east of Szemud, 16 km (10 mi) south of Wejherowo, and 26 km (16 mi) north-west of the regional capital Gdańsk.

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