Campbell Leonard Macpherson (July 4, 1907 – June 28, 1973) was a businessman born in St. John's, Newfoundland and was the third Lieutenant Governor of Newfoundland. The son of Cluny and Eleanora Macpherson, he was educated at , St. John's, Westminster School, London and Columbia University was appointed Lieutenant Governor of Newfoundland and Labrador in 1957. He began his career in the family business at in 1925. In 1965 he became president of that establishment upon the death of his uncle, Harold Macpherson.