| Massey Branch | rises in E Beaufort County and flows NE into Pungo Creek near Yeatesville. |
| Massie Gap | W central Swain County between Horse Cove and the head of Hickory Flat Branch. |
| Massy Creek | rises in W central Rockingham County and flows N into Dan River. |
| Mast | community in N Watauga County on Cove Creek. Alt. 2,670. |
| Mast Knob | SE Watauga County NW of Dugger Mountain. |
| Matakomak | a name appearing on the Ogilby map, 1671, to designate the territory presently in Chowan County between Yeopim River and Pembroke Creek. |
| Matchipungo | See Pungo. |
| Matecomack | See Edenton; Matakomak; Queen Anne's Creek. |
| Matherson Branch | rises in W Macon County and flows SE into Pine Branch. |
| Matherson Creek | rises in NE Cherokee County and flows NE into Worm Creek. |