| Type: | Gemeinde |
| Reinhardshagen | |
| Image Coa: | Wappen Reinhardshagen.png |
| Coordinates: | 51.4833°N 45°W |
| Image Plan: | Reinhardshagen in KS mit Labels.svg |
| State: | Hessen |
| Region: | Kassel |
| District: | Kassel |
| Elevation: | 159 - 472 |
| Area: | 12.99 |
| Postal Code: | 34359 |
| Area Code: | 05544 |
| Licence: | KS |
| Gemeindeschlüssel: | 06 6 33 022 |
| Website: | www.reinhardshagen.de |
| Mayor: | Fred Dettmar[1] |
| Leader Term: | 2020 - 26 |
Reinhardshagen is a municipality in the district of Kassel, in Hesse, Germany. It is located 24 kilometers north of Kassel, and 21 kilometers west of Göttingen.