| Mercer | community in S Edgecombe County. Probably the location of Mercersville post office in 1828. |
| Mercers Mill Pond | a stream that rises in SE Brunswick County and flows SW into tidal marshes that drain into the Atlantic Ocean through Lockwoods Folly Inlet. |
| Mercersville | See Mercer. |
| Merchants | community in NE Gates County served by post office, 1879-1913. Known as Merchants Mills after 1902. |
| Merchants Millpond | central Gates County on Bennetts Creek; center of a state park. Formed about 1857 by Rufus Williams and known as Williams Millpond until about 1910, when it was sold. The new owner built a store there, hence the name. Approx. 3 mi. long. Max. depth 8 ft. Sawmill and gristmill formerly operated there, but now a popular place for fishing. |
| Merchants Mills | See Merchants. |
| Meredith | community in W Orange County served by post office, 1890-1907. |
| Meredith Branch | rises in N Yancey County and flows S into Cane River. |
| Meredith Township | central Wake County. |
| Merkle Bay | off the NW side of Cedar Island in NE Carteret County. Merkle is local pronunciation of myrtle. |