| Piz Posta Biala | |
| Elevation M: | 3074 |
| Prominence M: | 260 |
| Prominence Ref: | [1] |
| Parent Peak: | Tödi |
| Location: | Graubünden, Switzerland |
| Range: | Glarus Alps |
| Map: | Switzerland |
| Coordinates: | 46.7797°N 8.9342°W |
Piz Posta Biala (3,074 m) is a mountain of the Glarus Alps, located north of Sumvitg in the canton of Graubünden. It lies on the range between the Val Russein and the Val Punteglias, south of Piz Urlaun.