| Coordinates | 52°08′N 10°51′E |
|---|---|
| State | Niedersachsen |
| District | Wolfenbüttel |
| Samtgemeinde | Elm-Asse |
| Elevation | 157 |
| Area | 15.18 |
| Postal code | 38170 |
| Area code | 05332 |
| Licence | WF |
| Gemeindeschlüssel | 03 1 58 007 |
| Divisions | 2 |
| Mayor | Reinhard Eberlein |
Dahlum (ˈdaːlʊm) is a municipality in the district of Wolfenbüttel, in Lower Saxony, Germany.