| Marietta | town in S Robeson County. Alt. 125. Settled about 1898. Inc 1911. Formerly known as Affinity until renamed by Augustus Marriel, a promoter of the Raleigh and Charleston Railroad, whose line formerly ran through the town. |
| Marietta Township | S Robeson County. |
| Marines | former community in S Onslow County on New River. A post office est. in 1885. Abandoned 1941 with the development of Camp Lejeune. |
| Marion | city and county seat, central McDowell County. Alt. 1,437. Inc. 1844. Named for Gen. Francis Marion (1732?-95), Revolutionary War leader. East Marion and West Marion are adjacent unincorporated communities. Produces textiles, hosiery, furniture, and paper boxes. |
| Marion Township | W central McDowell County. |
| Mariposa | community in S Lincoln County on Leepers Creek. See also Heldermans. |
| Mark Creek | See Morgan Creek. |
| Mark Pine Bay | a muck-filled bay in central Columbus County. |
| Markee's Creek | See Stewart's Town. |
| Marks Creek | rises in N Johnston County and flows SW into Neuse River. |