| Type: | Ortsteil |
| Town: | Neuhaus am Rennweg |
| Image Coa: | Wappen Siegmundsburg.jpg |
| Coordinates: | 50.4667°N 14°W |
| State: | Thüringen |
| District: | Sonneberg |
| Elevation: | 775 |
| Area: | 15.28 |
| Population: | 227 |
| Stand: | 2011-12-31 |
| Postal Code: | 98749 |
| Area Code: | 036704 |
| Licence: | SON |
| Website: | www.siegmundsburg.de |
Siegmundsburg is a former municipality in the Sonneberg district of Thuringia, Germany. Since 31 December 2012, it is part of the town Neuhaus am Rennweg.