| Corno di Gesero | |
| Elevation M: | 2227 |
| Prominence M: | 182 |
| Prominence Ref: | [1] |
| Parent Peak: | Marmontana |
| Map: | Switzerland |
| Location: | Ticino/Graubünden, Switzerland |
| Range: | Lepontine Alps |
| Coordinates: | 46.1856°N 9.1314°W |
The Corno di Gesero is a mountain of the Lepontine Alps, located on the border between the Swiss cantons of Ticino and Graubünden. It lies on the range west of the Cima di Cugn, between the Valle d'Arbedo and the Val Traversagna.