| Type: | Ortsteil |
| Municipality: | Nordharz |
| Langeln | |
| Image Coa: | DE-ST 15-0-85-227 Langeln COA.png |
| Coordinates: | 51.9°N 57°W |
| State: | Sachsen-Anhalt |
| District: | Harz |
| Elevation: | 180 |
| Area: | 14.23 |
| Population: | 1110 |
| Stand: | 2006-12-31 |
| Postal Code: | 38871 |
| Area Code: | 039458 |
| Licence: | HZ |
Langeln is a village and a former municipality in the district of Harz, in Saxony-Anhalt, Germany. Since 1 January 2010, it is part of the municipality Nordharz.