| Corundum Hill | E Macon County between Lickskillet Branch and Crows Branch. Named for the mineral found there. |
| Corys Store | community in S Martin County on Smithwick Creek. |
| Cosby Knob | on the Haywood County, N.C.-Cocke County, Tenn., line, Great Smoky Mountains National Park, on the Great Smoky Mountains divide near lat. 35°43'47" N., long. 83°11'12" W. Alt. 5,145. |
| Cosma | community in SW Wake County. |
| Cossart | term used by Moravians to describe land in what is now Watauga and Wilkes Counties. Appears on the 1757 Bellin map. Title to the tract was taken by Henry Cossart (1714-63), agent who facilitated purchase of Wachovia. |
| Costin | community in W Pender County on Moores Creek, formerly called Costins Store. |
| Costins Store | See Costin. |
| Costner | community in S Gaston County served by post office, 1891-1902. |
| Cotan | See Seco. |
| Cottage Point | E Pasquotank County, extends into the Pasquotank River within limits of Elizabeth City. |