| Rätzlingen | |
| Image Coa: | Wappen von Rätzlingen.png |
| Coordinates: | 52.9833°N 51°W |
| Image Plan: | Rätzlingen in UE.svg |
| State: | Niedersachsen |
| District: | Uelzen |
| Samtgemeinde: | Rosche |
| Elevation: | 74 |
| Area: | 8.47 |
| Postal Code: | 29590 |
| Area Code: | 05804 |
| Licence: | UE |
| Gemeindeschlüssel: | 03 3 60 016 |
| Mayor: | Harald Dammann |
Rätzlingen is a municipality in the district of Uelzen, in Lower Saxony, Germany.