1930 United States House of Representatives elections in South Carolina

Incumbent Democratic Congressman Thomas S. McMillan of the 1st congressional district, in office since 1925, was unopposed in his bid for re-election.

Incumbent Democratic Congressman Frederick H. Dominick of the 3rd congressional district, in office since 1917, was unopposed in his bid for re-election.

Incumbent Democratic Congressman John J. McSwain of the 4th congressional district, in office since 1921, was unopposed in his bid for re-election.

Incumbent Democratic Congressman Allard H. Gasque of the 6th congressional district, in office since 1923, was unopposed in his bid for re-election.

Incumbent Democratic Congressman Hampton P. Fulmer of the 7th congressional district, in office since 1921, defeated D.R.