| Planggenstock | |
| Elevation M: | 1675 |
| Prominence M: | 251 |
| Prominence Ref: | [1] |
| Map: | Switzerland |
| Location: | Glarus, Switzerland |
| Range: | Schwyzer Alps |
| Coordinates: | 47.1331°N 8.9936°W |
The Planggenstock (1,675 m) is a mountain of the Schwyzer Alps, located south of Bilten in the canton of Glarus. It lies between the valley of the Linth and the valley of Niederurnen.