Marienheide
| Marienheide   | |
|---|---|
| Marienheide | |
| Location of Marienheide   within Oberbergischer Kreis   district | |
| Coordinates: 51°5′N 7°32′E / 51.083°N 7.533°E | |
| Country | Germany | 
| State | North Rhine-Westphalia | 
| Admin. region | Köln | 
| District | Oberbergischer Kreis | 
| Government | |
| • Mayor (2020–25) | Stefan Meisenberg (CDU) | 
| Area | |
|  • Total | 54.99 km2 (21.23 sq mi) | 
| Highest elevation | 506 m (1,660 ft) | 
| Lowest elevation | 256 m (840 ft) | 
| Population  (2023-12-31) | |
|  • Total | 13,350 | 
| • Density | 240/km2 (630/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 51709, 51704–51706 | 
| Dialling codes | 0 22 64 | 
| Vehicle registration | GM | 
Marienheide is a municipality in the Oberbergischer Kreis, in North Rhine-Westphalia, Germany.