| Lorenzhorn | |
| Elevation M: | 3048 |
| Prominence M: | 179 |
| Prominence Ref: | [1] |
| Parent Peak: | Fanellhorn |
| Location: | Graubünden, Switzerland |
| Map: | Switzerland |
| Range: | Lepontine Alps |
| Coordinates: | 46.5258°N 9.1255°W |
The Lorenzhorn is a mountain of the Lepontine Alps, located west of Hinterrhein in the canton of Graubünden. It lies on the range between the valleys of Vals and Hinterrhein. On its north side lies a glacier named Fanellgletscher.