| Type: | Ortsteil |
| Town: | Ballenstedt |
| Image Coa: | DE-ST 15-0-85-040 Rieder COA.png |
| Coordinates: | 51.7333°N 21°W |
| State: | Sachsen-Anhalt |
| District: | Harz |
| Elevation: | 231 |
| Area: | 21.41 |
| Population: | 1788 |
| Stand: | 2012-12-31 |
| Postal Code: | 06507 |
| Area Code: | 039485 |
| Licence: | HZ |
Rieder is a village and a former municipality in the district of Harz, in Saxony-Anhalt, Germany. Since 1 December 2013, it is part of the town Ballenstedt. Between 1 January 2011 and 19 February 2013, it was part of the town Quedlinburg.[1]
There is a grauwacke quarry here which is also checkpoint 61 on the Harzer Wandernadel.[2]