| Type: | Village |
| Town: | Nordhausen |
| Petersdorf | |
| Coordinates: | 51.5167°N 59°W |
| State: | Thüringen |
| District: | Nordhausen |
| Elevation: | 280 |
| Area: | 4.03 |
| Population: | 345 |
| Stand: | 2006-12-31 |
| Postal Code: | 99735 |
| Area Code: | 03631 |
Petersdorf is a former municipality in the district of Nordhausen, in Thuringia, Germany. Since 1 December 2007, it is part of the town Nordhausen.