| Big Stonehouse Creek | See Stonehouse Creek. |
| Big Swag | peak of Round Mountain Ridge in NW Swain County in Great Smoky Mountains National Park. Alt. 3,685. |
| Big Swag Branch | rises in central Jackson County and flows N into Bear Creek. |
| Big Swag Gap | See Beech Gap. |
| Big Swamp | rises in W Sampson County and flows S into South River. |
| Big Swamp | is formed in E Robeson County by the junction of Big Marsh Swamp and Gallberry Swamp. It flows SW into Lumber River. Its E high-water line forms the boundary between Bladen and Robeson Counties and a part of the Cumberland-Robeson county line. |
| Big Swamp | rises in NW Brunswick County and flows SW into Juniper Creek for a distance of several mi.; it forms a part of the boundary between Brunswick and Columbus Counties. |
| Big Tom | peak in Mount Mitchell State Park, S Yancey County. One of two peaks known as Black Brothers until 1947, when renamed in honor of Thomas "Big Tom" David Wilson (1825-1909), bear hunter and guide who found the body of Elisha Mitchell on July 7, 1857, after he had fallen to his death on Mount Mitchell. Known earlier as Hairy Bear Mountain. |
| Big Tomahawk Creek | See Troublesome Creek. |
| Big Tomahawk Creek | rises in S Sampson County and flows S to join Little Tomahawk Creek in forming Tomahawk Creek. |