| Blankenheim | |
| Image Coa: | DEU Blankenheim (Ahr) COA.svg |
| Coordinates: | 50.4333°N 45°W |
| Image Plan: | Blankenheim in EU.svg |
| State: | Nordrhein-Westfalen |
| Region: | Cologne |
| District: | Euskirchen |
| Elevation: | 455 |
| Area: | 148.62 |
| Postal Code: | 53945 |
| Area Code: | 02449 & 02697 |
| Licence: | EU |
| Gemeindeschlüssel: | 05 3 66 008 |
| Divisions: | 17 |
| Year: | 721 |
| Website: | www.blankenheim-ahr.de |
| Mayor: | Jennifer Meuren[1] |
| Leader Term: | 2020 - 25 |
Blankenheim is a municipality in the district of Euskirchen in the state of North Rhine-Westphalia, Germany.
Blankenheim is located in the Eifel hills, approximately 27km (17miles) south-west of Euskirchen. The river Ahr has its source in the centre of Blankenheim, in the cellar of a half timbered house.
In the year 721, Blankenheim is mentioned for the first time as "Blancio" in a document. Today, the municipality is called in Eifel dialect as "Blangem" and has got a long carnival tradition.