| Mud Gap | in Great Smoky Mountains National Park on Swain County, N.C.-Blount County, Tenn., line, lat. 35°31'18" N., long. 83°48'24" W. |
| Mud Lick | community in NW Chatham County served by post office, 1833-1904. |
| Mudcut Branch | rises in SW Swain County and flows SE into Nantahala River. |
| Muddy Branch | rises in Green Swamp in W central Brunswick County and flows NE and N into Juniper Creek. |
| Muddy Creek | rises in SE Beaufort County and flows NW into Bond Creek. |
| Muddy Creek | rises in the S tip of Cabarrus County and flows SE into Rocky River. |
| Muddy Creek | rises in central Catawba County and flows SE and SW into Henry Fork. |
| Muddy Creek | rises in E Duplin County and flows SW into Northeast Cape Fear River. |
| Muddy Creek | rises in NW Forsyth County and flows S into Davidson County, where it enters Yadkin River. Called Charles Creek on the Collet map, 1770. |
| Muddy Creek | is formed in NE McDowell County by the junction of North Muddy Creek and South Muddy Creek and flows NE into the Catawba River in W Burke County. |