| Lauter | |
| Mouth Coordinates: | 48.4193°N 9.9024°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | States |
| Subdivision Name2: | Baden-Württemberg |
Lauter is a small river of Baden-Württemberg, Germany. It is a left tributary of the Blau near Blaustein.