| Stellihorn | |
| Elevation M: | 3436 |
| Prominence M: | 598 |
| Prominence Ref: | [1] |
| Listing: | Alpine mountains above 3000 m |
| Parent Peak: | Weissmies |
| Map: | Switzerland |
| Location: | Valais, Switzerland |
| Range: | Pennine Alps |
| Coordinates: | 46.0364°N 8.0022°W |
The Stellihorn is a mountain of the Swiss Pennine Alps, overlooking the lake of Mattmark in the canton of Valais. It lies south of Saas-Almagell in the upper valley of Saas. The north side is covered by a glacier named Nollen Gletscher.