The 1886 United States House of Representatives elections in South Carolina were held on November 2, 1886, to select seven Representatives for one two-year terms from the state of South Carolina. Five incumbents were re-elected, the Republican incumbent was defeated, and the open seat was retained by the Democrats. The composition of the state delegation after the election was solely Democratic.
Incumbent Democratic Congressman Samuel Dibble of the 1st congressional district, in office since 1883, was unopposed in his bid for re-election.
|-| | colspan=5 |Democratic hold|-
Incumbent Democratic Congressman George D. Tillman of the 2nd congressional district, in office since 1883, was unopposed in his bid for re-election.
|-| | colspan=5 |Democratic hold|-
Incumbent Democratic Congressman D. Wyatt Aiken of the 3rd congressional district, in office since 1877, opted to retire. James S. Cothran was nominated by the Democrats and was unopposed in his bid for election.
|-| | colspan=5 |Democratic hold|-
Incumbent Democratic Congressman William H. Perry of the 4th congressional district, in office since 1885, was unopposed in his bid for re-election.
|-| | colspan=5 |Democratic hold|-
Incumbent Democratic Congressman John J. Hemphill of the 5th congressional district, in office since 1883, won the Democratic primary and was unopposed in the general election.
| Democratic primary | ||
|---|---|---|
| Candidate | Votes | % |
| 3,539 | 62.0 | |
| M.J. Hough | 880 | 15.4 |
| W.D. Trantham | 759 | 13.3 |
| E.M. Law | 527 | 9.3 |
|-| | colspan=5 |Democratic hold|-
Incumbent Democratic Congressman George W. Dargan of the 6th congressional district, in office since 1883, was unopposed in his bid for re-election.
|-| | colspan=5 |Democratic hold|-
Incumbent Republican Congressman Robert Smalls of the 7th congressional district, in office since 1884, was defeated by Democratic challenger William Elliott.
|-| | colspan=5 |Democratic gain from Republican|-