| Leimbach | |
| Mouth Coordinates: | 49.3961°N 8.5°W |
| Subdivision Type1: | Country |
| Subdivision Name2: | Baden-Württemberg |
| Length: | 37.8km (23.5miles) |
| Basin Size: | 200km2 |
Leimbach is a river of Baden-Württemberg, Germany. It passes through Wiesloch, Nußloch and Schwetzingen, and flows into the Rhine in Brühl.
Between the cities of Wiesloch and Walldorf the river flows through the Leimbach Park linear-park close to Wiesloch-Walldorf station before flowing northwards between the Mannheim–Karlsruhe–Basel railway and Wiesloch Feldbahn and Industrial Museum.