| Image Coa: | Wappen Simmertal.png |
| Coordinates: | 49.8107°N 7.5207°W |
| Image Plan: | Simmertal in KH.svg |
| State: | Rheinland-Pfalz |
| District: | Bad Kreuznach |
| Verbandsgemeinde: | Kirner Land |
| Elevation: | 190-432 |
| Area: | 8.08 |
| Postal Code: | 55618 |
| Area Code: | 06754 |
| Licence: | KH |
| Gemeindeschlüssel: | 07 1 33 096 |
| Website: | www.simmertal.de |
| Mayor: | Christina Bleisinger[1] |
| Leader Term: | 2019 - 24 |
| Party: | SPD |
Simmertal is a municipality in the district of Bad Kreuznach in Rhineland-Palatinate, in western Germany.