| Type: | Ortsteil |
| Municipality: | Harztor |
| Image Coa: | Wappen Niedersachswerfen.png |
| Coordinates: | 51.5539°N 10.7653°W |
| State: | Thüringen |
| District: | Nordhausen |
| Elevation: | 210 |
| Area: | 11.79 |
| Population: | 3257 |
| Stand: | 2010-12-31 |
| Postal Code: | 99762 |
| Area Code: | 036331 |
| Licence: | NDH |
| Website: | www.niedersachswerfen.de |
Niedersachswerfen is a village and a former municipality in the district of Nordhausen, in Thuringia, Germany. Since 1 January 2012, it is part of the municipality Harztor.