| Sankenbachsee | |
| Location: | Baiersbronn, Freudenstadt, Northern Black Forest, Baden-Württemberg, Germany |
| Pushpin Map: | Baden-Württemberg |
| Coords: | 48.484°N 8.3384°W |
| Inflow: | Sankenbach Waterfalls |
| Outflow: | Sankenbach → Forbach → Murg |
| Area: | 2.27ha |
| Max-Depth: | 5m (16feet) |
The Sankenbachsee is a tarn southwest of Baiersbronn in the Black Forest in southwestern Germany. The Sankenbach stream flows through the lake. In the 1980s a low weir was built at the outflow of the Sankenbach which protects the lake from silting up.