| Coordinates: | 51.2797°N 10.0303°W |
| Image Plan: | Asbach-Sickenberg in EIC.svg |
| State: | Thüringen |
| District: | Eichsfeld |
| Elevation: | 256 |
| Area: | 9.78 |
| Postal Code: | 37318 |
| Area Code: | 036087 |
| Licence: | EIC |
| Gemeindeschlüssel: | 16 0 61 002 |
| Website: | www.vg-uder.de |
| Mayor: | Siegfried Dellemann[1] |
| Leader Term: | 2019 - 25 |
Asbach-Sickenberg is a municipality in the district of Eichsfeld, in Thuringia, Germany. As a result of the 1945 Wanfried agreement, formerly Hessian Asbach-Sickenberg became part of the Soviet occupation zone and the later German Democratic Republic.