| Lauchsee | |
| Pushpin Map: | Austria Tyrol |
| Location: | Tyrol, Austria |
| Coords: | 47.4709°N 12.5344°W |
| Elevation: | 859m (2,818feet) |
| Area: | 0.023km2 |
| Length: | 0.26km (00.16miles) |
| Width: | 0.12km (00.07miles) |
| Max-Depth: | 4.3m (14.1feet) |
The Lauchsee is a large moor lake, 2.3 hectares in area, in the Tyrolean district of Kitzbühel. It lies on the territory of the municipality of Fieberbrunn above the Pletzerbach at an elevation of . The lake has two small islands and its maximum depth is 4.3 metres.There is a swimming baths on the Lauchsee called the Moorbad Lauchsee.