1984 United States House of Representatives elections in South Carolina

Incumbent Republican Congressman Thomas F. Hartnett of the 1st congressional district, in office since 1981, defeated Democratic challenger Ed Pendarvis.

Incumbent Republican Congressman Floyd Spence of the 2nd congressional district, in office since 1971, defeated Democratic challenger Ken Mosely.

Incumbent Democratic Congressman Butler Derrick of the 3rd congressional district, in office since 1975, defeated Republican challenger Clarence E. Taylor.

Incumbent Republican Congressman Carroll Campbell of the 4th congressional district, in office since 1979, defeated Democratic challenger Jeff Smith.

Incumbent Democratic Congressman John M. Spratt, Jr. of the 5th congressional district, in office since 1983, defeated two minor party candidates.