| Fläscherberg | |
| Other Name: | Regitzer Spitz |
| Elevation M: | 1135 |
| Prominence M: | 422 |
| Prominence Ref: | [1] |
| Map: | Switzerland |
| Location: | Graubünden, Switzerland |
| Range: | Rätikon |
| Coordinates: | 47.0375°N 9.5064°W |
The Fläscherberg (also known as Regitzer Spitz) is a mountain of the Rätikon, overlooking the Rhine in the Swiss canton of Graubünden. The closest locality is Fläsch on the southern side of the mountain.
At the northern foot of the mountain is the border with Liechtenstein, and the town of Balzers.