| Type: | Stadt |
| Image Coa: | Wappen Weissenthurm.svg |
| Coordinates: | 50.4144°N 7.4606°W |
| Image Plan: | Weissenthurm_in_MYK.PNG |
| State: | Rhineland-Palatinate |
| District: | Mayen-Koblenz |
| Verbandsgemeinde: | Weißenthurm |
| Elevation: | 65 |
| Area: | 3.99 |
| Postal Code: | 56575 |
| Area Code: | 02637 |
| Licence: | MYK |
| Gemeindeschlüssel: | 07 1 37 228 |
| Website: | www.weissenthurm.de |
| Mayor: | Gerd Heim[1] |
| Leader Term: | 2019 - 24 |
| Party: | CDU |
Weißenthurm is a town in the district of Mayen-Koblenz, in Rhineland-Palatinate, Germany. It is situated on the left bank of the Rhine, opposite Neuwied, approximately 12 km northwest of Koblenz.
The town is spelled with an ß which may be replaced by ss if not available (Weissenthurm).
Weißenthurm is the seat of the Verbandsgemeinde ("collective municipality") Weißenthurm.