| Image Coa: | COA_Heyen.png |
| Coordinates: | 52.0167°N 40°W |
| Image Plan: | Heyen in HOL.svg |
| State: | Niedersachsen |
| District: | Holzminden |
| Samtgemeinde: | Bodenwerder-Polle |
| Elevation: | 138 |
| Area: | 8.30 |
| Postal Code: | 37619 |
| Area Code: | 05533 |
| Licence: | HOL |
| Gemeindeschlüssel: | 03 2 55 020 |
| Website: | www.gemeinde-heyen.de |
| Mayor: | Michael Zieseniß |
Heyen is a municipality in the district of Holzminden, in Lower Saxony, Germany.