| Election Name: | 1946 United States House of Representatives elections in South Carolina |
| Country: | South Carolina |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 1944 United States House of Representatives elections in South Carolina |
| Previous Year: | 1944 |
| Next Election: | 1948 United States House of Representatives elections in South Carolina |
| Next Year: | 1948 |
| Seats For Election: | All 6 South Carolina seats to the United States House of Representatives |
| Election Date: | [1] |
| Party1: | Democratic Party (United States) |
| Last Election1: | 6 |
| Seats1: | 6 |
| Popular Vote1: | 26,066 |
| Percentage1: | 98.89% |
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.
Incumbent Democratic Congressman L. Mendel Rivers of the 1st congressional district, in office since 1941, was unopposed in his bid for re-election.
|-| | colspan=5 |Democratic hold|-
Incumbent Democratic Congressman John J. Riley of the 2nd congressional district, in office since 1945, was unopposed in his bid for re-election.
|-| | colspan=5 |Democratic hold|-
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.
| Democratic primary | ||
|---|---|---|
| Candidate | Votes | % |
| 31,164 | 61.6 | |
| 19,423 | 38.4 | |
|-| | colspan=5 |Democratic hold|-
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.
| Democratic primary | ||
|---|---|---|
| Candidate | Votes | % |
| 28,232 | 58.3 | |
| Charles C. Moore | 20,208 | 41.7 |
|-| | colspan=5 |Democratic hold|-
Incumbent Democratic Congressman James P. Richards of the 5th congressional district, in office since 1933, was unopposed in his bid for re-election.
|-| | colspan=5 |Democratic hold|-
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.
| Democratic primary | ||
|---|---|---|
| Candidate | Votes | % |
| 35,494 | 68.4 | |
| G. Stanley Bryant | 14,307 | 27.5 |
| Wendell J. Holbert | 2,117 | 4.1 |
|-| | colspan=5 |Democratic hold|-