The Ying River (simplified Chinese: 颍河; traditional Chinese: 潁河; pinyin: Yǐng Hé) is the largest tributary of the Huai River with its origin in Henan Province, People's Republic of China.[2] From Zhoukou City in Henan the river flows through Fuyang City in Anhui Province then empties into the Huai River at Zhengyang.[3]
| Ying River | |
|---|---|
The Shaying River at Zhoukou | |
| Native name | 颍河 (Chinese) |
| Location | |
| Country | China |
| Physical characteristics | |
| Source | Henan |
| Mouth | Huai River (淮河) |
• location | Zhengyang County, Henan, China |
| Length | 557 km (346 mi)[1] |
Seriously polluted along its entire length, in 2007 the Ying River's water quality was rated as below Grade 5 by the Chinese Environmental Protection Agency.[4]
The Sha River (沙河) is the largest tributary and from the confluence onward, the Ying River is often referred to as the Shaying River (沙颍河).[3]

The main tributaries on the Ying river with a drainage area of more than 1,000 square kilometers (listed from upstream to downstream) are as follows:[5][circular reference]
| North bank | South bank |
|---|---|
| Jialu River (贾鲁河) | Sha River (沙河) |
| Xin Canal (新运河) | Quan River (泉河) |
| Xin Cai River (新蔡河) | |
| Ci River (茨河) |
| |
|---|---|
| Yangtze system | |
| Yellow system | |
| Pearl system | |
| Heilongjiang system | |
| Huai system | |
| Hai system | |
| Liao system |
|
| Other major rivers | |
| Major canals |
|