| Type: | Ortsteil |
| Municipality: | Kindelbrück |
| Coordinates: | 51.25°N 18°W |
| State: | Thüringen |
| District: | Sömmerda |
| Elevation: | 131 |
| Area: | 6.77 |
| Postal Code: | 99638 |
| Area Code: | 036375 |
| Population: | 241 |
| Stand: | 2021-12-31 |
| Website: | www.riethgen.de |
Riethgen is a village and a former municipality in the Sömmerda district of Thuringia, Germany. On 1 January 2023 it became part of the municipality Kindelbrück.[1]