| Mare Branch | rises in W central Wilson County and flows NE into Contentnea Creek. |
| Maready | community in SE Duplin County. |
| Marg Mountain | S Haywood County between Camp Branch and Browning Branch. |
| Margaret | community in E Franklin County. Named by C. P. Harris for his daughter. A post office prior to 1909. |
| Margaret Peak | on the McDowell-Rutherford county line. Alt. 2,500. |
| Margaretsville | town in NE Northampton County. Post office est. 1836. Chartered 1885 as Margarettsville, but charter repealed 1891. Rechartered as Margaretsville in 1895. Named for Mrs. Margaret Ridley, an early resident. Alt. 54. The railroad name is Margaret. |
| Margrace | community in SE Cleveland County. |
| Maria Creek | rises in NE Carteret County and flows SE into Core Sound. |
| Marianna Falls | See Dutch Creek Falls. |
| Maribel | community in N Pamlico County on Chapel Creek, known originally as Shoofly. At the establishment of a post office in 1883, long since discontinued, it was named by postmaster Fentress for his sweetheart in Georgia, a girl named Mary Belle. |