| Franzenbach | |
| Mouth Location: | Seffersbach |
| Mouth Coordinates: | 49.465°N 6.6767°W |
| Progression: | Seffersbach→ |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Saarland |
Franzenbach is a river of Saarland, Germany. It flows into the Seffersbach near Merzig.