| Elsoff | |
| Mouth Location: | Eder near Hatzfeld |
| Mouth Coordinates: | 50.9922°N 8.5292°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Hesse |
| Length: | 19.2km (11.9miles) |
Elsoff is a river of North Rhine-Westphalia and Hesse, Germany. It is a left tributary of the Eder, which it joins near Hatzfeld.