Hardeeville is a city in Jasper and Beaufort counties in the U.S. state of South Carolina. The population was 7,473 as of the 2020 census, an increase of over 150% since 2010. Hardeeville is included within the Hilton Head Island–Bluffton metropolitan area.

Jasper County is the southernmost county in the U.S. state of South Carolina. As of the 2020 census, the population was 28,791. Its county seat is Ridgeland and its largest community is Hardeeville. The county was formed in 1912 from portions of Hampton County and Beaufort County.