| Knottville | community in E central Wilkes County between Rock and Mulberry Creeks. |
| Knotty Pine Creek | See Buckland Mill Branch. |
| Knox | community in N Moore County served by post office, 1900-1905. |
| Kolasko | See Weatherman Bald. |
| Kona | community in W central Mitchell County near the junction of North Toe and South Toe Rivers. The name is said to have been coined by R. M. Lawson, first dispatcher for the railroad, simply because it was a short, easily spelled and understood word. |
| Konnatoga | See Little Pisgah Mountain. |
| Koonasoga | See Humpback Mountain. |
| Koonces Bay | on White Oak River, SW Carteret County between Wire Point and Balls Point. Named for the Koonce family. |
| Kornegay | community in E Duplin County. |
| Kossie | community in S Cleveland County served by post office, 1898-1902. |