| Sanhe Subdistrict | |
| Native Name: | 三合街道 |
| Native Name Lang: | zh-cn |
| Settlement Type: | Subdistrict |
| Pushpin Map: | China |
| Pushpin Map Caption: | Location in China |
| Coordinates: | 25.9888°N 107.8734°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Guizhou |
| Subdivision Type2: | Autonomous prefecture |
| Subdivision Name2: | Qiannan |
| Subdivision Type3: | Autonomous county |
| Subdivision Name3: | Sandu |
| Subdivision Type4: | Village-level divisions |
| Subdivision Name4: | 5 residential communities 5 villages |
| Unit Pref: | Metric |
| Elevation M: | 395 |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
| Postal Code: | 558100 |
| Area Code: | 0854 |
Sanhe Subdistrict is a subdistrict in and the seat of Sandu Shui Autonomous County in southeastern Guizhou province, China.[1], it has 5 residential communities (Chinese: 社区) and 5 villages under its administration.[2]