South Rosemary is an unincorporated area and census-designated place (CDP) in Halifax County, North Carolina, United States.

[5] It is part of the Roanoke Rapids, North Carolina Micropolitan Statistical Area.

South Rosemary is located in northern Halifax County and is bordered to the east by the city of Roanoke Rapids.

U.S. Route 158 is the main road through the community, leading east into Roanoke Rapids and west 45 miles (72 km) to Henderson.

29.0% of all households were made up of individuals, and 9.4% had someone living alone who was 65 years of age or older.