| Weihung | |
| Mouth Coordinates: | 48.3665°N 9.9652°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Baden-Württemberg |
| Length: | 29.9km (18.6miles) |
Weihung is a river of Baden-Württemberg, Germany. It passes through Wain and Illerkirchberg, and flows into the Danube near Ulm.