| Dayu | |
| Native Name: | 大渔镇 |
| Native Name Lang: | zh-cn |
| Settlement Type: | Town |
| Pushpin Map: | China Zhejiang |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location in Zhejiang |
| Coordinates: | 27.3886°N 120.6044°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Zhejiang |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Wenzhou |
| Subdivision Type3: | County |
| Subdivision Name3: | Cangnan County |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
Dayu is a town under the administration of Cangnan County, Zhejiang, China.[1], it administers six villages: Nanxingjie Village (Chinese: 南行街村), Beixingjie Village (Chinese: 北行街村), Yu'ao Village (Chinese: 渔岙村), Da'ao Village (Chinese: 大岙村), Xiaoyu Village (Chinese: 小渔村), and Da'aoxin Village (Chinese: 大岙心村).[2]