| Selk | |
| Image Coa: | DEU Selk COA.svg |
| Coordinates: | 54.4667°N 43°W |
| Image Plan: | Selk in SL.PNG |
| State: | Schleswig-Holstein |
| District: | Schleswig-Flensburg |
| Amt: | Haddeby |
| Elevation: | 19 |
| Area: | 10.07 |
| Postal Code: | 24884 |
| Area Code: | 04621 |
| Licence: | SL |
| Gemeindeschlüssel: | 01 0 59 078 |
| Website: | www.haddeby.de |
| Mayor: | Siegrid Bärenz |
Selk is a municipality in the district of Schleswig-Flensburg, in Schleswig-Holstein, Germany.