| Rappensee | |
| Location: | Oberallgäu, Bavaria |
| Coords: | 47.286°N 10.2526°W |
| Pushpin Map: | Bavaria |
| Basin Countries: | Germany |
| Length: | 250m (820feet) |
| Area: | 2.3ha |
| Max-Depth: | 8m (26feet) |
| Elevation: | 2046m (6,713feet) |
The Rappensee is a mountain lake in Germany, in the Bavarian part of the Allgäu Alps. The lake is located below the Rappenseekopf near the small settlement .