| Lenzerhorn | |
| Elevation M: | 2906 |
| Prominence M: | 291 |
| Prominence Ref: | [1] |
| Map: | Switzerland |
| Location: | Graubünden, Switzerland |
| Range: | Plessur Alps |
| Coordinates: | 46.7089°N 9.5944°W |
The Lenzerhorn (also spelled Lenzer Horn) is a mountain of the Plessur Alps, located east of Lenzerheide in the canton of Graubünden. It has an elevation of 2,906 metres and is, after the Aroser Rothorn, the second highest peak of the Plessur Alps.