| Klingengraben | |
| Mouth Coordinates: | 47.6229°N 8.3244°W |
| Subdivision Type1: | Countries |
| Length: | 23.4km (14.5miles) |
Klingengraben is a river of the Canton of Schaffhausen, northern Switzerland and Baden-Württemberg, south-western Germany. It passes through Klettgau and flows into the Wutach in Lauchringen.