| Idol | community in central Ashe County served by post office, 1879-1906. Also known as Idol's Mill. |
| Idol's Mill | See Idol. |
| Ijames Crossroads | community in W Davie County. A Baptist church built there in 1897 on land donated by Cas Ijames was known as Ijames Crossroads Church. |
| Ike Cove | S Haywood County on a tributary of Little East Fork Pigeon River. |
| Ike Mountain | N Buncombe County W of Dillingham. |
| Ilex | community in central Davidson County served by post office, 1886-1902. |
| Immer | community in N Montgomery County served by post office, 1888-1932. |
| Improvement Cove | E Swain County between Middle Ridge and Connelly Mountain on Improvement Creek. |
| Improvement Creek | rises in E Swain County and flows NE into Wesser Creek. |
| Inadu Knob | on Haywood County, N.C.-Cocke County, Tenn., line in Great Smoky Mountains National Park near lat. 35°43'37" N., long. 83°14'27" W. Formerly Snake Knob but, to prevent duplication within the park, the name was changed to Inadu, the Indian word for snake. Alt. 5,941. |