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.
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.
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.
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.
Jordan, Frank E. The Primary State: A History of the Democratic Party in South Carolina, 1876-1962. pp. 97, 101, 105, 114, 119.
"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.