| Sanhe | |
| Native Name Lang: | zh-hans |
| Settlement Type: | Town |
| Pushpin Map: | Jilin |
| Pushpin Map Caption: | Location in Jilin |
| Coordinates: | 42.4767°N 129.7389°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Jilin |
| Subdivision Type2: | Autonomous prefecture |
| Subdivision Name2: | Yanbian |
| Subdivision Type3: | County-level city |
| Subdivision Name3: | Longjing |
| Subdivision Type4: | Village-level divisions |
| Subdivision Name4: | 1 residential community 4 villages |
| Unit Pref: | Metric |
| Elevation M: | 218 |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
| Area Code: | 0433 |
Sanhe is a town under the administration of Longjing City in southeastern Jilin, People's Republic of China,[1] located along the Sino-Korean border west of North Korea; the nearest major settlement across the Tumen River (and the border) is Hoeryong in North Hamgyong Province. It is southeast of downtown Longjing and 50km (30miles) south-southeast of Yanji., it has one residential community (Chinese: 社区) and four villages under its administration.[2]