| Styron Bay | on the W side of Core Sound about 1.3 mi. SW of the town of Atlantic and E of Nelson Bay, NE Carteret County. Named for a local family. |
| Suburb | community in SE Brunswick County served by post office, 1898-1915. |
| Suck | community in Rutherford County served by post office, 1854-66. |
| Suddawig Branch | rises in SW Clay County and flows NW into Hiwassee River. |
| Suddereth Branch | rises in E Cherokee County on Mission Mountain and flows SE into Hiwassee River. |
| Sue | community in E Columbus County served by post office, 1894-1901. |
| Sugar Branch | rises in W Jackson County and flows SE then NE into Savannah Creek. |
| Sugar Camp Branch | rises in SW Madison County and flows NE into Spring Creek. |
| Sugar Camp Creek | is formed in S Yancey County by the junction of Ogle and Timber Creeks and flows SW and NW into Cane River. |
| Sugar Cove | N Buncombe County W of Ingles Ridge. |