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.
1st congressional district 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 Democratic primaryCandidateVotes% George Swinton Legaré 9,111 69.3 L.L. Larisey 4,045 30.7
General election results
| colspan=5 |Democratic hold
2nd congressional district 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 Democratic primaryCandidateVotes% James F. Byrnes 10,547 70.9 Harry D. Calhoun 4,320 29.1
General election results
| colspan=5 |Democratic hold
3rd congressional district 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 Democratic primaryCandidateVotes% Wyatt Aiken 16,205 70.7 F.S. Evans 5,305 23.2 M.E. Long 1,402 6.1
General election results
| colspan=5 |Democratic hold
4th congressional district Incumbent Democratic Congressman Joseph T. Johnson of the 4th congressional district, in office since 1901, was unopposed in his bid for re-election.
General election results
| colspan=5 |Democratic hold
5th congressional district 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 Democratic primaryCandidateVotes% David E. Finley 12,364 62.7 William P. Pollock 4,315 21.9 Glenn W. Ragsdale 3,038 15.4
General election results
| colspan=5 |Democratic hold
6th congressional district 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 Democratic primaryCandidateVotes% J. Willard Ragsdale 11,321 53.0 J. Edwin Ellerbe 10,059 47.0
General election results
| colspan=5 |Democratic hold
7th congressional district Incumbent Democratic Congressman Asbury Francis Lever of the 7th congressional district, in office since 1901, defeated Republican challenger A.D. Dantzler.
General election results
| colspan=5 |Democratic hold
See also United States House of Representatives elections, 1912 South Carolina gubernatorial election, 1912 South Carolina's congressional districts
References
"Report of the Secretary of State to the General Assembly of South Carolina. Part II." Reports and Resolutions of the General Assembly of the State of South Carolina. Volume III. Columbia, SC: 1913, pp. 419–421.