| Election Name: | 1990 United States House of Representatives elections in South Carolina |
| Country: | South Carolina |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 1988 United States House of Representatives elections in South Carolina |
| Previous Year: | 1988 |
| Next Election: | 1992 United States House of Representatives elections in South Carolina |
| Next Year: | 1992 |
| 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: | 4 |
| Seats1: | 4 |
| Popular Vote1: | 382,939 |
| Percentage1: | |
| Swing1: | 1.72% |
| Party2: | Republican Party (United States) |
| Last Election2: | 2 |
| Seats2: | 2 |
| Popular Vote2: | 274,650 |
| Swing2: | 3.33% |
The 1990 United States House of Representatives elections in South Carolina were held on November 6, 1990, to select six Representatives for two-year terms from the state of South Carolina. The primary election for the Republicans was held on June 12. All six incumbents were re-elected and the composition of the state delegation remained four Democrats and two Republicans. As of 2016, this is the last time that Democrats won a majority of congressional districts in South Carolina.
Incumbent Republican Congressman Arthur Ravenel, Jr. of the 1st congressional district, in office since 1987, defeated Benjamin Hunt, Jr. in the Republican primary and Democratic challenger Eugene Platt in the general election.
| Republican primary | ||
|---|---|---|
| Candidate | Votes | % |
| 20,032 | 89.7 | |
| Benjamin Hunt, Jr. | 2,302 | 10.3 |
|-| | colspan=5 |Republican hold|-
Incumbent Republican Congressman Floyd Spence of the 2nd congressional district, in office since 1971, defeated Libertarian challenger Gebhard Sommer.
|-| | colspan=5 |Republican hold|-
Incumbent Democratic Congressman Butler Derrick of the 3rd congressional district, in office since 1975, defeated Republican challenger Ray Haskett.
|-| | colspan=5 |Democratic hold|-
Incumbent Democratic Congresswoman Liz J. Patterson of the 4th congressional district, in office since 1987, defeated Republican challenger Terry Haskins.
|-| | colspan=5 |Democratic hold|-
Incumbent Democratic Congressman John M. Spratt, Jr. of the 5th congressional district, in office since 1983, was unopposed in his bid for re-election.
|-| | colspan=5 |Democratic hold|-
Incumbent Democratic Congressman Robin Tallon of the 6th congressional district, in office since 1983, was unopposed in his bid for re-election.
|-| | colspan=5 |Democratic hold|-