South Carolina congressional districts, 1962 to 1970
The 1968 United States House of Representatives elections in South Carolina were held on November 5, 1968, to select six Representatives for two-year terms from the state of South Carolina. The primary elections were held on June 11 and the runoff elections were held two weeks later on June 25. All five incumbents who ran were re-elected and the open seat in the 5th district was retained by the Democrats. The composition of the state delegation remained five Democrats and one Republican.
Incumbent Democratic Congressman Thomas S. Gettys of the 5th congressional district, in office since 1964, defeated Fred R. Sheheen in the Democratic primary and Republican Hugh J. Boyd in the general election.
Incumbent Democratic Congressman John L. McMillan of the 6th congressional district, in office since 1939, defeated Richard G. Dusenbury in the Democratic primary and Republican Ray Harris in the general election.