| Orchard Ridge | N Madison County between Big Laurel Creek and Little Foster Creek. |
| Ore Hill | See Mount Vernon Springs. |
| Ore Knob | N Haywood County between Fall Branch and Hurricane Creek. |
| Ore Knob | former town in SE Ashe County. Inc. 1875. Copper mine there once employed 250 men; closed in 1886. Little evidence of buildings remains. Alt. 3,150. |
| 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. |