| Cackalacky | modern variant homonym of Carolina that gained use in popular culture after World War II. Origin variously attributed to tsalaki, Cherokee word for native people, and to cocklaleechie, a traditional Scottish soup. |
| Cadon Branch | rises in S Macon County and flows SW into Tessentee Creek. |
| Cadon Gap | S Macon County at the head of Whiterock Branch. |
| Cadwell Creek | rises in Virginia and flows SW into N Stokes County. Turning slightly to the NW, it flows back into Virginia. |
| Caesar Austin Branch | rises in central Clay County and flows SE into Tusquitee Creek. Named for an early black settler who lived on the branch. |
| Caesar Swamp | rises in W Sampson County and flows SE into Little Coharie Creek. |
| Caesar's Branch | rises in N Franklin County and flows NE into Little Shocco Creek. |
| Caffey Gap | S Watauga County on the head of Laurel Creek. |
| Caffey's Inlet | former inlet N of present town of Duck, E Dare County. In 1788 George Caffee bought a tract in the area but lost much of it when a small inlet cut through his property. Also known as Providence Inlet. |
| Caffey's Inlet Station | was built by the U.S. Lifesaving Service in 1874 at Caffey's Inlet. Destroyed by fire, its replacement, built 1899, later served U.S. Coast Guard. Later housed restaurant. |