| Coordinates | 53°15′00″N 10°21′11″E |
|---|---|
| State | Niedersachsen |
| District | Lüneburg |
| Samtgemeinde | Gellersen |
| Elevation | 36 |
| Area | 14.78 |
| Postal code | 21391 |
| Area code | 04131 |
| Licence | LG |
| Gemeindeschlüssel | 03 3 55 031 |
| Website | www.reppenstedt.de |
| Mayor | Klaus Olshof |
| Party | CDU |
Reppenstedt is a municipality and the administrative centre of the Samtgemeinde Gellersen within the district of Lüneburg in Lower Saxony, Germany.