| Official Name: | South Branch |
| Pushpin Map: | Minnesota#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Minnesota |
| Subdivision Type2: | County |
| Subdivision Name2: | Watonwan |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1112 |
| Coordinates: | 43.8839°N -94.5494°W |
| Area Code: | 507 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 652272 |
South Branch is an unincorporated community in South Branch Township, Watonwan County, Minnesota, United States.