| Bortelhorn | |
| Other Name: | Punta del Rebbio |
| Elevation M: | 3194 |
| Prominence M: | 430 |
| Prominence Ref: | [1] |
| Parent Peak: | Helsenhorn |
| Map: | Alps |
| Location: | Piedmont, Italy/Valais, Switzerland |
| Range: | Lepontine Alps |
| Coordinates: | 46.2947°N 8.1247°W |
| Listing: | Alpine mountains above 3000 m |
The Bortelhorn (also known as Punta del Rebbio) is a mountain of the Lepontine Alps on the Swiss-Italian border. On its west side it overlooks the Gantertal.