| Wu River | |
| Name Other: | Wuyang River (Chinese: 㵲阳河) |
| Subdivision Type1: | Country |
| Subdivision Name1: | China |
| Subdivision Type2: | State |
| Subdivision Name2: | Guizhou, Hunan |
| Subdivision Type5: | Cities |
| Subdivision Name5: | Shibing County, Zhenyuan County, Yuping Dong Autonomous County, Xinhuang Dong Autonomous County, Zhijiang Dong Autonomous County, Huaihua, Zhongfang County, Hongjiang |
| Length: | 444km (276miles) |
| Discharge1 Avg: | 180m3/s |
| Source1: | Mount Foding |
| Source1 Location: | Languan Township，Weng'an County, Guizhou Province |
| Mouth: | Yuan River |
| Mouth Location: | Hongjiang, Hunan Province |
| Mouth Coordinates: | 27.1903°N 109.8119°W |
| River System: | Yuan River |
| Basin Size: | 10334km2 |
| Tributaries Left: | Longjiang River, Cheba River |
| Tributaries Right: | Liuzhai River |
| Extra: | Book: Encyclopedia of rivers and lakes in China Section of Changjiang basin . 2010. China WaterPower Press. Beijing. 978-7-5084-6512-8. |
The Wu River is a left tributary of the Yuan River in south China. This upper stream is called Wuyang River in Guizhou Province; it rises on the western slopes of Mount Foding in the southeast of Weng'an County. The river runs eastward into Hunan Province and then is called the Wu River. It joins Yuan River at Hongjiang City. The river has a length of 444km (276miles) and drains an area of 10334km2.[1]