| Image Coa: | DEU Rehlingen COA.svg |
| Coordinates: | 53.1°N 23°W |
| Image Plan: | Rehlingen in LG.svg |
| State: | Niedersachsen |
| District: | Lüneburg |
| Samtgemeinde: | Amelinghausen |
| Elevation: | 86 |
| Area: | 65.96 |
| Postal Code: | 21385 |
| Area Code: | 04132 |
| Licence: | LG |
| Gemeindeschlüssel: | 03 3 55 029 |
| Divisions: | 5 |
| Mayor: | Rainer Mühlhausen |
Rehlingen is a municipality in the district of Lüneburg, in Lower Saxony, Germany.