| Mattjisch Horn | |
| Elevation M: | 2461 |
| Prominence M: | 171 |
| Prominence Ref: | [1] |
| Parent Peak: | Chistenstein |
| Map: | Switzerland |
| Location: | Graubünden, Switzerland |
| Range: | Plessur Alps |
| Coordinates: | 46.8513°N 9.7233°W |
The Mattjisch Horn is a mountain of the Plessur Alps, overlooking Langwies in the Swiss canton of Graubünden. It lies on the range between the valleys of Prättigau and Schanfigg.