| Sweet Creek | See Frost Mill Creek. |
| Sweeten Creek | rises in S Buncombe County and flows NW into Swannanoa River. Named for the Sweiton family, early settlers. Name later changed to Foster's Mill Creek and then back to Sweeten Creek. |
| Sweetgum | community in S Graham County. |
| Sweetwater | community in W Watauga County on Beaverdam Creek. |
| Sweetwater Branch | rises in N central Henderson County and flows SE into North Fork. |
| Sweetwater Branch | rises in S Madison County and flows SE into French Broad River. |
| Sweetwater Branch | rises near Black Mountain in N Transylvania County and flows NE into South Fork Mills. |
| Sweetwater Branch | rises in N Yancey County and flows SE into Sampson Branch. |
| Sweetwater Creek | rises in W Clay County and flows SW and NW into Hiwassee River. |
| Sweetwater Creek | rises in E Graham County and flows SW and nw, where it joins Tulula Creek in forming Cheoah River. |