| Dagong | |
| Native Name: | 大公镇 |
| Native Name Lang: | zh-cn |
| Settlement Type: | Town |
| Pushpin Map: | China Jiangsu |
| Pushpin Map Caption: | Location in Jiangsu |
| Coordinates: | 32.615°N 120.5139°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Jiangsu |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Nantong |
| Subdivision Type3: | County-level city |
| Subdivision Name3: | Hai'an |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
Dagong is a town in Hai'an in Jiangsu province, China.[1], it has three residential communities and 12 villages under its administration.[2]