1946 United States House of Representatives elections in South Carolina

The 1946 United States House of Representatives elections in South Carolina were held on November 5, 1946 to select six Representatives for two-year terms from the state of South Carolina. Five incumbents were re-elected, but Butler B. Hare of the 3rd congressional district was defeated in the Democratic primary by W.J. Bryan Dorn. The seat remained with the Democrats and the composition of the state delegation remained solely Democratic.

1st congressional district
Incumbent Democratic Congressman L. Mendel Rivers of the 1st congressional district, in office since 1941, was unopposed in his bid for re-election.

2nd congressional district
Incumbent Democratic Congressman John J. Riley of the 2nd congressional district, in office since 1945, was unopposed in his bid for re-election.

3rd congressional district
Incumbent Democratic Congressman Butler B. Hare of the 3rd congressional district, in office since 1939, was defeated in the Democratic primary by W.J. Bryan Dorn who was unopposed in the general election.

4th congressional district
Incumbent Democratic Congressman Joseph R. Bryson of the 4th congressional district, in office since 1939, defeated Charles C. Moore in the Democratic primary and was unopposed in the general election.

5th congressional district
Incumbent Democratic Congressman James P. Richards of the 5th congressional district, in office since 1933, was unopposed in his bid for re-election.

6th congressional district
Incumbent Democratic Congressman John L. McMillan of the 6th congressional district, in office since 1939, won the Democratic primary and defeated Progressive Party candidate James E. Prioleau in the general election.