Leck may refer to:
Foued El Ouazzani (born 23 September 1988 in Vitry-sur-Seine), better known by his stage name Leck (also stylised L.E.C.K.) is a French rapper of Moroccan origin signed to Believe Recordings.
Leck (Danish: Læk; Mooring North Frisian: Leek) is a municipality in the district of Nordfriesland, in Schleswig-Holstein, Germany. It is situated approximately 30 km north of Husum, and 30 km west of Flensburg.
It is also home to the former Leck Air Base.