| Coordinates: | 51.6°N 45°W |
| Image Plan: | Wesertal in KS mit Labels.svg |
| State: | Hesse |
| District: | Kassel |
| Elevation: | 110 |
| Area: | 52.59 |
| Postal Code: | 34399 |
| Area Code: | 05571, 05572, 05574 |
| Licence: | KS |
| Gemeindeschlüssel: | 06633030 |
| Mayor: | Cornelius Turrey[1] |
| Leader Term: | 2020 - 26 |
| Party: | SPD |
Wesertal is a municipality in the district of Kassel, in Hesse, Germany. It was created with effect from 1 January 2020 by the merger of the former municipalities of Wahlsburg and Oberweser. It takes its name from the river Weser, that flows through the municipality.