Gantt is a census-designated place (CDP) in Greenville County, South Carolina, United States.

[5] It is part of the Greenville–Mauldin–Easley Metropolitan Statistical Area and a suburb of the city of Greenville.

[6] It is bordered to the northeast by the city of Greenville and to the northwest by unincorporated Dunean.

U.S. Route 25 passes through Gantt as White Horse Road, intersecting I-85 at Exit 44.

[5] As of the 2020 United States census, there were 15,006 people, 5,555 households, and 3,488 families residing in the CDP.