The 1998 South Carolina United States House of Representatives elections were held on November 3, 1998, to select six Representatives for two-year terms from the state of South Carolina. The primary elections for the Democrats and the Republicans were held on June 9 and the runoff elections were held two weeks later on June 23. All five incumbents who ran were re-elected and the open seat in the 4th congressional district was retained by the Republicans. The composition of the state delegation remained four Republicans and two Democrats.