| Official Name: | South Sutton, New Hampshire |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | New Hampshire#USA |
| Pushpin Label: | South Sutton |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New Hampshire |
| Subdivision Type2: | County |
| Subdivision Name2: | Merrimack |
| Subdivision Type3: | Town |
| Subdivision Name3: | Sutton |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 722 |
| Coordinates: | 43.3175°N -71.9339°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 03273 |
| Area Code: | 603 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 870061 |
South Sutton is an unincorporated community in the town of Sutton in Merrimack County, New Hampshire, United States. It is located along New Hampshire Route 114, which leads north through Sutton Mills and North Sutton into the town of New London, and south into the town of Bradford. South Sutton is located along the Lane River.
South Sutton has a separate ZIP code (03273) from other parts of the town of Sutton.