| Zanaihorn | |
| Elevation M: | 2821 |
| Prominence M: | 148 |
| Parent Peak: | Pizol |
| Prominence Ref: | [1] |
| Map: | Switzerland |
| Location: | St. Gallen, Switzerland |
| Range: | Glarus Alps |
| Coordinates: | 46.9476°N 9.4051°W |
The Zanaihorn (2,821 m) is a mountain of the Glarus Alps, located north of Vättis in the canton of St. Gallen. It lies on the range east of the Pizol, between the valleys of the Zanaibach and the Tersolbach.