| Blees | |
| Map: | Blees.png |
| Mouth Coordinates: | 49.8708°N 6.1899°W |
| Subdivision Type1: | Country |
| Length: | 14km (09miles) |
| Source1 Elevation: | 500m (1,600feet) |
The Blees is a river flowing through Luxembourg, joining the Sauer at Bleesbruck. It flows through the towns of Hosingen, Brandenbourg, and Bastendorf.