| Piz Chaschauna | |
| Other Name: | Piz Casana |
| Elevation M: | 3071 |
| Prominence M: | 289 |
| Prominence Ref: | [1] |
| Parent Peak: | Piz Quattervals |
| Location: | Lombardy, Italy/Graubünden, Switzerland |
| Range: | Livigno Alps |
| Map: | Alps |
| Coordinates: | 46.5753°N 10.0786°W |
Piz Chaschauna (also known as Piz Casana) is a mountain of the Livigno Alps, located on the border between Italy and Switzerland. The northern side of the mountain (Graubünden) is part of the Swiss National Park. The eastern side of the mountain (Lombardy) is part of the Stelvio National Park.