| Blankenheim | |
| Image Coa: | Wappen Blankenheim.png |
| Coordinates: | 51.5075°N 11.4308°W |
| Image Plan: | Blankenheim in MSH.svg |
| State: | Sachsen-Anhalt |
| District: | Mansfeld-Südharz |
| Verbandsgemeinde: | Mansfelder Grund-Helbra |
| Elevation: | 280 |
| Area: | 14.85 |
| Postal Code: | 06528 |
| Area Code: | 034659 |
| Licence: | MSH, EIL, HET, ML, SGH |
| Gemeindeschlüssel: | 15 0 87 070 |
| Mayor: | André Strobach[1] |
| Leader Term: | 2020 - 27 |
| Party: | FDP |
Blankenheim is a municipality in the Mansfeld-Südharz district, Saxony-Anhalt, Germany.
The earliest known documented mention of Blankenheim dates from 1181. The development of the place was closely connected to the history of the Premonstratenian monastery Rode in the modern-day Klosterrode.