| Xiao River | |
| Name Other: | Xiaoshui, Shenshui, Daqiao River, Feng River, Dong River, Tuojiang, etc. |
| Pushpin Map: | China Hunan |
| Pushpin Map Caption: | Location in Hunan |
| Subdivision Type1: | Country |
| Subdivision Name1: | China |
| Subdivision Type2: | Province |
| Subdivision Name2: | Hunan |
| Subdivision Type3: | City |
| Subdivision Name3: | Yongzhou |
| Source1 Location: | Yegou Mountain |
| Mouth Location: | Ping Island |
| River System: | Xiang River |
| Length: | 365km (227miles) |
| Discharge1 Location: | Yongzhou |
| Discharge1 Avg: | 345m3/s |
The Xiao River is the Main Stream of the upper Xiang River located in Yongzhou, Hunan. As of 2011 Water Census of China, it has a length of from the headwaters to the confluence in the Ping Island of Yongzhou with the Xiang River West Branch (Left Branch) originating from Guangxi. With the tributaries, its drainage basin area is .[1] Night rain on the Xiaoxiang (Chinese: '''瀟湘夜雨'''), one of the Eight Views of Xiaoxiang, is located in this river.
The Xiao River borders to the south by the Mengzhu Mountains and Gui River of Xi River tributary, to the east by Yangming Mountains (阳明山), Chongling River and Lianjiang River of Bei River tributary, to the west by the Dupang Mountains. The tributaries of the Xiao reach Lianzhou of Guangdong and Guangxi. Originating from the southern side of Yegou Mountain (野狗岭) in Zhulin Village (竹林村) of Xiangjiangyuan Township, Lanshan County, the Xiao River flows southwest to northeast through Lanshan, Jianghua, Jiangyong, Ningyuan, Dao, Shuangpai and Lingling seven counties, joining the Main Stem of the Xiang at the confluence in Ping Island of Yongzhou with the West Branch from Guangxi.[2]