| North Branch | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New York |
| Source1: | Little Rock Pond |
| Source1 Location: | Little Rapids, New York |
| Source1 Coordinates: | 43.9642°N -74.905°W |
| Mouth: | Stillwater Reservoir |
| Mouth Location: | Little Rapids, New York |
| Mouth Coordinates: | 43.94°N -74.8922°W[1] |
| Mouth Elevation: | 1686feet |
South Branch is an American river. It flows out of Little Rock Pond northwest of Little Rapids, New York and flows into Stillwater Reservoir west of Little Rapids.