| Achim | |
| Type: | Ortsteil |
| Municipality: | Börßum |
| Image Coa: | DE-NI 03-1-58-038 Achim COA.svg |
| Coordinates: | 52.0606°N 10.6117°W |
| State: | Niedersachsen |
| District: | Wolfenbüttel |
| Elevation: | 91 |
| Area: | 15.81 |
| Population: | 679 |
| Stand: | 2010-12-31 |
| Postal Code: | 38312 |
| Area Code: | 05334 |
| Licence: | WF |
| Divisions: | 3 Ortsteile |
Achim is a village and a former municipality in the district of Wolfenbüttel, in Lower Saxony, Germany. Since 1 November 2011, it is part of the municipality Börßum.