| Dahlem | |
| Coordinates: | 53.2°N 55°W |
| Image Plan: | Dahlem in LG.svg |
| State: | Niedersachsen |
| District: | Lüneburg |
| Samtgemeinde: | Dahlenburg |
| Elevation: | 54 |
| Area: | 16.99 |
| Postal Code: | 21368 |
| Area Code: | 05851, 05854 |
| Licence: | LG |
| Gemeindeschlüssel: | 03 3 55 012 |
| Mayor: | Ralf Böttcher |
Dahlem is a municipality in the district of Lüneburg, in Lower Saxony, Germany. Dahlem has an area of 16.99 km2 and a population of 527 (as of December 31, 2007).