| Piz di Sassiglion | |
| Other Name: | Pizzo di Sassiglione |
| Elevation M: | 2855 |
| Prominence M: | 313 |
| Prominence Ref: | [1] |
| Parent Peak: | Cima Viola |
| Location: | Graubünden, Switzerland Lombardy, Italy |
| Map: | Alps |
| Range: | Livigno Alps |
| Coordinates: | 46.3228°N 10.1128°W |
Piz di Sassiglion (2,855 m) is a mountain of the Livigno Alps, located on the border between Switzerland and Italy. It is the highest summit of the chain south of the Passo di Malghera. The mountain lies east of Poschiavo (Graubünden) and west of the Val Grosina (Lombardy).