| Image Coa: | Wappen Heinsen.png |
| Coordinates: | 51.8833°N 35°W |
| Image Plan: | Heinsen in HOL.svg |
| State: | Niedersachsen |
| District: | Holzminden |
| Samtgemeinde: | Bodenwerder-Polle |
| Elevation: | 90 |
| Area: | 18.63 |
| Postal Code: | 37649 |
| Area Code: | 05535 |
| Licence: | HOL |
| Gemeindeschlüssel: | 03 2 55 019 |
| Website: | www.gemeinde.heinsen-an-der-weser.de |
| Mayor: | Gerhard Halling |
| Party: | SPD |
Heinsen is a municipality in the district of Holzminden, in Lower Saxony, Germany.