| Longgang | |
| Native Name: | 龙冈镇 |
| Settlement Type: | Town |
| Pushpin Map: | China |
| Pushpin Map Caption: | Location in Jiangsu--> |
| Coordinates: | 33.3581°N 120.0419°W |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Jiangsu |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Yancheng |
| Subdivision Type3: | District |
| Subdivision Name3: | Yandu |
| Unit Pref: | Metric |
| Area Total Km2: | 93.51 |
| Population Total: | 76920 |
| Population Density Km2: | auto |
| Utc Offset1: | +8 |
| Postal Code: | 224011 |
| Area Code: | 0515 |
| Website: | http://www.yclg.gov.cn/ |
Longgang is a town under the jurisdiction of Yandu District, Yancheng, in northeastern Jiangsu province, People's Republic of China.
Longgang is located around west of the downtown area of Yancheng, bordering Jianhu County to the north. The town has an area of, with around 77,000 permanent residents. It administers 31 village-level divisions.