| Langeln | |
| Image Coa: | DEU Langeln (Holstein) COA.svg |
| Coordinates: | 53.7967°N 9.8544°W |
| Image Plan: | Langeln in PI.svg |
| State: | Schleswig-Holstein |
| District: | Pinneberg |
| Amt: | Rantzau |
| Elevation: | 19 |
| Area: | 10.28 |
| Postal Code: | 25485 |
| Area Code: | 04123 |
| Licence: | PI |
| Gemeindeschlüssel: | 01 0 56 034 |
| Divisions: | 4 |
| Website: | www.langeln.de |
| Mayor: | Hans-Detlef Fuhlendorf |
Langeln is a municipality in the district of Pinneberg, in Schleswig-Holstein, Germany.