J. Carroll Johnson (November 9, 1882 – May 4, 1967) was an architect in South Carolina.
He was the first resident architect at University of South Carolina and supervised campus expansion.
[1] He designed numerous residences in Columbia's suburbs during the roaring 1920s.
[2] His work also includes the Lexington County Courthouse which is listed on the National Register of Historic Places.
[1] The Library of Congress has photographs of some of his buildings including from the Historic American Buildings Survey (catalogued along with musical documents from minstrel performer Carroll Johnson).