| Image Coa: | DEU Mechtersen COA.svg |
| Coordinates: | 53.2833°N 29°W |
| Image Plan: | Mechtersen in LG.svg |
| State: | Niedersachsen |
| District: | Lüneburg |
| Samtgemeinde: | Bardowick |
| Elevation: | 15 |
| Area: | 14.42 |
| Postal Code: | 21358 |
| Area Code: | 04178 |
| Licence: | LG |
| Gemeindeschlüssel: | 03 3 55 023 |
| Mayor: | Rudolf Harms |
| Party: | CDU |
Mechtersen is a municipality in the district of Lüneburg, in Lower Saxony, Germany. It is part of the Samtgemeinde Bardowick ("collective municipality Bardowick").[1]