| Image Coa: | Wappen Langhagen.svg |
| Type: | Ortsteil |
| Municipality: | Lalendorf |
| Coordinates: | 53.6833°N 38°W |
| State: | Mecklenburg-Vorpommern |
| District: | Rostock |
| Elevation: | 83 |
| Area: | 27.17 |
| Population: | 559 |
| Stand: | 2012-12-31 |
| Postal Code: | 18279 |
| Area Code: | 038456 |
| Licence: | LRO |
Langhagen is a village and a former municipality in the Rostock district, in Mecklenburg-Vorpommern, Germany. Since 25 May 2014, it is part of the municipality Lalendorf.