| Medem | |
| Mouth Coordinates: | 53.8294°N 8.8953°W |
| Subdivision Type1: | Country |
| Subdivision Type2: | State |
| Length Km: | 22.8 |
The Medem (pronounced as /de/) is a river of Lower Saxony, Germany. It is a left tributary of the Elbe, into which it flows near Otterndorf.
