| Matlock Bald | N Clay County on the N end of Johnson Ridge. Alt. 5,230. |
| Matlock Creek | rises in N Clay County and flows SE between Johnson and Julie Ridges into Tusquitee Creek. |
| Matney | community in W Watauga County on Craborchard Creek. |
| Matney Branch | rises in S Watauga County and flows N into East Fork [South Fork New River]. |
| Matrimony | community in N Rockingham County served by post office, 1881-94 and 1898-1903. |
| Matrimony Creek | rises in NW Rockingham County at the Virginia line and flows SE into Dan River. Named prior to 1728, when William Byrd recorded that it was "call'd so by an unfortunate marry'd man, because it was exceedingly noisy and impetuous." |
| Matt Branch | rises in NW Swain County and flows SE into Fontana Lake. |
| Matt Mountain | NW Swain County between Cable Branch and Fontana Lake. |
| Mattacomack Creek | See Queen Anne's Creek. |
| Mattamuskeet | former township in central Hyde County, now reported as "Unorganized Territory." Most of the area is now owned by the federal government and is a fish and wildlife reservation. Residents vote and list taxes in Lake Landing township. |