| Cashoke Creek | rises in SE Bertie County and flows SE into Cashie River. |
| Cason Old Field | community in S central Anson County. Named for local family. |
| Castalia | town in NW Nash County. Settled about 1850. Named about 1853 by David S. Richardson, local schoolmaster and native of Cornish, N.H., for Castalian Springs (of Greek mythology) located near Mount Parnassus. Alt. 319. |
| Castalia Township | NW Nash County. |
| Castle Creek | rises in N Person County and flows N into Hyco River. |
| Castle Dobbs | See Russellborough. |
| Castle Hayne | community in N New Hanover County. Est. by 1861 and known as Spring Garden for a number of years. Appears as such on the Colton map, 1861, and on other maps through the 1870s. By 1882 (Kerr map) it was called Castle Hayne. Named for Capt. Roger Haynes, who built a "castle" nearby prior to the Revolutionary War. Originally Castle Haynes but shortened to Castle Hayne by the railroad and later adopted by the post office. A 6,000-acre agricultural colony est. there by Hugh MacRae in the early twentieth century included a number of Dutch families. Produces commercial flowers and bulbs, vegetables, and chemicals. Alt. 20. |
| Castle of Thundertontrenck | See Lenox Castle. |
| Castle Tryon | See Russellborough. |
| Castle, The | an island of approx. 1/10 acre in the Pamlico River, W Beaufort County, about 350 yards offshore from the town of Washington. Site of shipbuilding activity in nineteenth century. |