| Piz Nuna | |
| Elevation M: | 3124 |
| Prominence M: | 535 |
| Prominence Ref: | [1] |
| Parent Peak: | Piz Tavrü |
| Map: | Switzerland |
| Location: | Graubünden, Switzerland |
| Range: | Sesvenna Range |
| Coordinates: | 46.7233°N 10.1544°W |
| Listing: | Alpine mountains above 3000 m |
Piz Nuna is a mountain in the Sesvenna Range of the Alps, located northeast of Zernez in the canton of Graubünden. Its summit (3,124 m) is the tripoint between the valley of Val Nuna, Val Sampuoir and Val Laschadura.