| Walchsee | |
| Location: | Kufstein District, Tyrol, Austria |
| Coordinates: | 47.646°N 12.324°W |
| Type: | lake |
| Area: | 95.3ha |
| Max-Depth: | 21.2m (69.6feet) |
| Volume: | 11782560m2 |
| Pushpin Map: | Austria |
| Pushpin Map Alt: | Location of the lake in Austria. |
Walchsee is a lake in Kufstein District in both Walchsee and Kössen municipalities, Tyrol, Austria.
Its surface area of 95.3ha makes it the fourth largest natural waterbody in the state. Its maximum depth is 21.2m (69.6feet), and its maximum volume is 11782560m2.