The 1912 United States House of Representatives elections in South Carolina were held on November 5, 1912 to select seven Representatives for two-year terms from the state of South Carolina. Six incumbents were re-elected, but J. Edwin Ellerbe of the 6th congressional district was defeated in the Democratic primary. The seat was retained by the Democrats and the composition of the state delegation remained solely Democratic.
Incumbent Democratic Congressman George Swinton Legaré of the 1st congressional district, in office since 1903, defeated L.L. Larisey in the Democratic primary and two minor candidates in the general election.
| Democratic primary | ||
|---|---|---|
| Candidate | Votes | % |
| George Swinton Legaré | 9,111 | 69.3 |
| L.L. Larisey | 4,045 | 30.7 |
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | George S. Legaré (incumbent) | 4,550 | 97.2 | -0.2 | |
| Republican | Aaron P. Prioleau | 85 | 1.8 | -0.3 | |
| Socialist | William Eberhard | 48 | 1.0 | +0.5 | |
| Majority | 4,465 | 95.4 | +0.1 | ||
| Turnout | 4,683 | ||||
| Democratic hold | |||||
Incumbent Democratic Congressman James F. Byrnes of the 2nd congressional district, in office since 1911, defeated Harry D. Calhoun in the Democratic primary and was unopposed in the general election.
| Democratic primary | ||
|---|---|---|
| Candidate | Votes | % |
| James F. Byrnes | 10,547 | 70.9 |
| Harry D. Calhoun | 4,320 | 29.1 |
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | James F. Byrnes (incumbent) | 6,033 | 100.0 | 0.0 | |
| Majority | 6,033 | 100.0 | 0.0 | ||
| Turnout | 6,033 | ||||
| Democratic hold | |||||
Incumbent Democratic Congressman Wyatt Aiken of the 3rd congressional district, in office since 1903, won the Democratic primary and was unopposed in the general election.
| Democratic primary | ||
|---|---|---|
| Candidate | Votes | % |
| Wyatt Aiken | 16,205 | 70.7 |
| F.S. Evans | 5,305 | 23.2 |
| M.E. Long | 1,402 | 6.1 |
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | Wyatt Aiken (incumbent) | 7,458 | 100.0 | +0.1 | |
| No party | Write-Ins | 1 | 0.0 | -0.1 | |
| Majority | 7,457 | 100.0 | +0.2 | ||
| Turnout | 7,459 | ||||
| Democratic hold | |||||
Incumbent Democratic Congressman Joseph T. Johnson of the 4th congressional district, in office since 1901, was unopposed in his bid for re-election.
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | Joseph T. Johnson (incumbent) | 7,244 | 100.0 | +1.1 | |
| Majority | 7,244 | 100.0 | +2.2 | ||
| Turnout | 7,244 | ||||
| Democratic hold | |||||
Incumbent Democratic Congressman David E. Finley of the 5th congressional district, in office since 1899, won the Democratic primary and was unopposed in the general election.
| Democratic primary | ||
|---|---|---|
| Candidate | Votes | % |
| David E. Finley | 12,364 | 62.7 |
| William P. Pollock | 4,315 | 21.9 |
| Glenn W. Ragsdale | 3,038 | 15.4 |
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | David E. Finley (incumbent) | 7,901 | 100.0 | 0.0 | |
| Majority | 7,901 | 100.0 | 0.0 | ||
| Turnout | 7,901 | ||||
| Democratic hold | |||||
Incumbent Democratic Congressman J. Edwin Ellerbe of the 6th congressional district, in office since 1901, was defeated in the Democratic primary by J. Willard Ragsdale. He was unopposed in the general election.
| Democratic primary | ||
|---|---|---|
| Candidate | Votes | % |
| J. Willard Ragsdale | 11,321 | 53.0 |
| J. Edwin Ellerbe | 10,059 | 47.0 |
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | J. Willard Ragsdale | 6,446 | 100.0 | 0.0 | |
| No party | Write-Ins | 1 | 0.0 | 0.0 | |
| Majority | 6,445 | 100.0 | 0.0 | ||
| Turnout | 6,447 | ||||
| Democratic hold | |||||
Incumbent Democratic Congressman Asbury Francis Lever of the 7th congressional district, in office since 1901, defeated Republican challenger A.D. Dantzler.
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | Asbury F. Lever (incumbent) | 6,660 | 98.4 | +2.8 | |
| Republican | A.D. Dantzler | 105 | 1.6 | -2.7 | |
| Majority | 6,555 | 96.8 | +5.5 | ||
| Turnout | 6,765 | ||||
| Democratic hold | |||||
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