| Omersbach | |
| Mouth Location: | Geiselbach |
| Mouth Coordinates: | 50.1053°N 9.1633°W |
| Progression: | Geiselbach→ |
| Subdivision Type1: | Country |
| Subdivision Type2: | State |
| Tributaries Left: | Falkenbach |
Omersbach is a small river of Bavaria, Germany. It flows into the Geiselbach north of Mömbris.