| Image Coa: | DE-ST 15-0-87-010 Ahlsdorf COA.png |
| Coordinates: | 51.55°N 39°W |
| Image Plan: | Ahlsdorf in MSH.svg |
| State: | Sachsen-Anhalt |
| District: | Mansfeld-Südharz |
| Verbandsgemeinde: | Mansfelder Grund-Helbra |
| Elevation: | 206 |
| Area: | 5.09 |
| Postal Code: | 06313 |
| Area Code: | 034772 |
| Licence: | MSH |
| Gemeindeschlüssel: | 15 0 87 010 |
| Mayor: | Karsten Patz[1] |
| Leader Term: | 2022 - 29 |
Ahlsdorf is a municipality in the Mansfeld-Südharz district, Saxony-Anhalt, Germany.