| Lebed | |
| Mouth: | Biya |
| Mouth Coordinates: | 52.2893°N 87.0261°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 175km (109miles) |
| Basin Size: | 4500km2 |
The Lebed (Russian: Лебедь; Southern Altai: Куу, Kuu) is a river in Siberia in eastern Russia, a right tributary of the Biya. Its source is in the Abakan Range (a northern continuation of the Altai Mountains), and it flows through the Altai Republic. It is long, and has a drainage basin of .