| Leck Læk / Leek | |
| Image Coa: | DEU Leck (Nordfriesland) COA.svg |
| Coordinates: | 54.7744°N 8.9736°W |
| Image Plan: | Leck in NF.PNG |
| State: | Schleswig-Holstein |
| District: | Nordfriesland |
| Amt: | Südtondern |
| Elevation: | 6 |
| Area: | 29.79 |
| Postal Code: | 25917 |
| Area Code: | 04662 |
| Licence: | NF |
| Gemeindeschlüssel: | 01 0 54 076 |
| Website: | www.leck.de |
| Mayor: | Andreas Deidert |
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.