| Körsch | |
| Mouth Coordinates: | 48.7164°N 9.3588°W |
| Subdivision Type1: | Country |
| Subdivision Name2: | Baden-Württemberg |
| Length: | 27.5km (17.1miles) |
| Basin Size: | 128km2 |
| Tributaries Left: | Aischbach, Höfelbach |
| Tributaries Right: | Sindelbach |
Körsch (pronounced as /de/; in its upper course: Sindelbach) is a river of Baden-Württemberg, Germany. It is a left tributary of the Neckar at Deizisau.
It is the second largest waterbody in Stuttgart and is formed at the convergence of the right Sindelbach and the left Aischbach in Stuttgart-Möhringen. After almost 27 km on the Filder it flows into the Neckar between Esslingen am Neckar and Deizisau.