| Marchhorn | |
| Elevation M: | 2962 |
| Prominence M: | 327 |
| Prominence Ref: | [1] |
| Parent Peak: | Basòdino |
| Map: | Alps |
| Location: | Piedmont, Italy Ticino, Switzerland |
| Range: | Lepontine Alps |
| Coordinates: | 46.4488°N 8.4625°W |
The Marchhorn is a mountain of the Lepontine Alps, located on the Swiss-Italian border. On its northwest side it overlooks the San Giacomo Pass.