| Seng Branch | rises in NW Yancey County and flows NW into Cane River. Named for the herb ginseng, which was gathered in large quantities in the vicinity beginning about 1837. |
| Seng Gap | N Madison County at the head of Little Laurel Creek. |
| Seng Ridge | NW Madison County between Alum Ridge and Camp Creek Bald. |
| Senia | community in W Avery County. Named for a local resident, Senia Pritchard. |
| Seniard Creek | rises in NW Henderson County and flows S into North Fork in Pisgah National Forest. |
| Seniard Mountain | on the Haywood-Transylvania County line at the N end of Lanning Ridge. Alt. 5,025. |
| Seniard Ridge | N Transylvania County, extends SE from Seniard Mountain to Looking Glass Rock. |
| Service Ridge | W Haywood County in Great Smoky Mountains National Park, a spur extending NW from Cataloochee Divide; center near lat. 35°33'27" N., long. 83°07'15" W., between Big Bald Branch and Little Bald Branch. |
| Servis Creek | rises in central Alamance County and flows E into Haw River. |
| Sessoms Mill Pond | on Chinkapin Creek in SE Hertford County; approx. ½ mi. long. |