| Oak Grove | community in N Surry County between Wood Fork Branch and Little Fisher River. |
| Oak Grove | community in W Yadkin County N of Flat Rock Creek. |
| Oak Grove Township | E central Durham County. |
| Oak Hill | community in N central Burke County about 4 mi. N of Morganton. |
| Oak Hill | community in E Caldwell County. |
| Oak Hill | community in NW Granville County. A post office est. 1821 was called Young's Store, but by 1830 the present name was being used. |
| Oak Hill | community in central Macon County between Crawford Branch and Wallace Branch. |
| Oak Hill Mountain | peak in the Cane Creek Mountains, S Alamance County. |
| Oak Hill Township | NW Granville County. |
| Oak Island | a peninsula between Elizabeth River and the Atlantic Ocean at the mouth of the Cape Fear River in SE Brunswick County. Site of Fort Caswell, Long Beach, and Yaupon Beach. Appears as an island on the Collet map, 1770. |