| Metnitz | |
| Source1 Coordinates: | 46.9425°N 14.053°W |
| Mouth Coordinates: | 46.8908°N 14.4391°W |
| Progression: | Gurk→ |
| Subdivision Type1: | Country |
| Subdivision Type2: | State |
Metnitz is a river of Carinthia, Austria. The Metnitz springs near the Flattnitz Pass. It is a left tributary of the Gurk north of Althofen. Its drainage basin is .[1]