| Horse Mountain Gap | S Burke County. Alt. 2,018. |
| Horse Pen Bay | swamp in NW Brunswick County. A part of Green Swamp. |
| Horse Pen Branch | rises in SW Bladen County and flows W into Horse Pen Swamp. |
| Horse Pen Creek | rises in S central Bladen County and flows SE into Brown Marsh Swamp. |
| Horse Pen Mountain | at the head of Cabin Creek in S Henderson County. |
| Horse Pen Ridge | W Haywood County in Great Smoky Mountains National Park, a spur extending NW from Cataloochee Divide; its center is near lat. 35°35'40" N., long. 83°05'07" W. |
| Horse Pen Swamp | rises in SW Bladen County and flows W into Robeson County, where it enters Big Swamp. |
| Horse Pool | appears on the Moseley map, 1733, in what is now E Gates County in the W edge of the Dismal Swamp. |
| Horse Range Ridge | S Graham County, extends SE from Little Snowbird Creek to Old Billy Top. |
| Horse Ridge | N Avery County. |