| Sonnighorn | |
| Other Name: | Pizzo Bottarello |
| Elevation M: | 3487 |
| Prominence M: | 340 |
| Prominence Ref: | [1] |
| Listing: | Alpine mountains above 3000 m |
| Parent Peak: | Weissmies |
| Map: | Alps |
| Location: | Valais, Switzerland/Piedmont, Italy |
| Range: | Pennine Alps |
| Coordinates: | 46.0743°N 8.0223°W |
The Sonnighorn (it Pizzo Bottarello) is a mountain of the Pennine Alps, located on the Swiss-Italian border. The closest locality is Saas Almagell on the west side.