| Jiayu County | |
| Other Name: | Kiayü |
| Settlement Type: | County |
| Pushpin Map: | China Hubei |
| Pushpin Label: | Jiayu |
| Pushpin Map Caption: | Location in Hubei |
| Coordinates: | 30.05°N 117°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Hubei |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Xianning |
| Unit Pref: | Metric |
| Area Total Km2: | 1018.4 |
| Population Total: | 285,642 |
| Population As Of: | 2020 |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
Jiayu County is a county of southeastern Hubei province, People's Republic of China, located on the southeast (right) bank of the Yangtze River. It is under the administration of Xianning City and has a land area of, and a population of 285,642 in 2020.[1]
Jiayu County consists of eight towns:[2] Yuyue (Chinese: 鱼岳), Luxi (Chinese: 陆溪), Gaotieling (Chinese: 高铁岭), Guanqiao (Chinese: 官桥), Xinjie (Chinese: 新街), Panjiawan (Chinese: 潘家湾), Dupu (Chinese: 渡普), Paizhouwan (Chinese: 簰洲湾).