| Oyama | See Few. |
| Oyster Creek | rises in central Carteret County and flows S into Newport River. Appears on the Moseley map, 1733. Approx. ¾ mi. long. |
| Oyster Creek | rises in E Carteret County and flows SE into Core Sound. Approx. 2 mi. long. |
| Oyster Creek | a channel among the tidal-marsh islands on the SW shore of Roanoke Island, E Dare County in the waters of Croatan Sound. Approx. 1 mi. W of community of Wanchese. |
| Oyster Creek | rises on NW Goose Creek Island, NE Pamlico County, and flows NE into Pamlico River. |
| Oyster Creek Landing | community in S Hyde County on Swanquarter Bay. |
| Ozark | community in NE Wilkes County served by post office, 1882-1908. |