| Oregon | See South Creek. |
| Oregon Hill | community in N Rockingham County served by post office, 1853-66 and 1868-1909. Located between the heads of Quaqua and Lovelace Creeks. It is said that a man stopped there early in the nineteenth century on his way to Oregon but never got any farther, so he called the site Oregonville and the name evolved. Nearby Guerrant Springs was a popular resort later in the century and into the early 1900s. |
| Oregon Inlet | E Dare County from Pamlico Sound into the Atlantic Ocean between S tip of Bodie Island and N tip of Pea Island. Formed by a hurricane on September 7, 1846. Named for the first vessel to pass through, the side-wheeler Oregon State-operated free ferry across the inlet now replaced by the Herbert C. Bonner Bridge, approx. 2½ mi. long, which opened in December 1963; named for N.C. congressman Herbert C. Bonner (1891-1965). |
| Oregon Inlet Coast Guard Station | E Dare County on Pea Island near Oregon Inlet. First est. as Bodie's Island Lifesaving Station in 1874; name later changed. The Life-saving Service and Revenue Cutter Service joined in 1915 to form U.S. Coast Guard. |
| Oregonville Township | former township in E Rockingham County. Name changed in 1887 to Ruffin. |
| Orenburg | See Harris. |
| Orfords Pond | See Sunset Lake. |
| Organ Church | community in S Rowan County served by post office, 1851-1906. |
| Oriental | town in S Pamlico County on Neuse River at the mouth of Smith Creek. First settled about 1870 by "Uncle Lou" Midgett and known as Smith's Creek. Later renamed for the Federal transport Oriental, which sank in 1862 near Bodie Island. The ship's nameplate had been found by Rebecca Midgett, wife of the town's first settler. |
| Orinoco | community in NE Davidson County served by post office, 1886-1904. |