| Todbach | |
| Mouth Location: | Blies |
| Mouth Coordinates: | 49.4692°N 7.1669°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Saarland |
Todbach is a river of Saarland, Germany. It flows into the Blies in Sankt Wendel.