Fairfax Harrison was an American lawyer, businessman, and writer. The son of the secretary to Confederate President Jefferson Davis, Harrison studied law at Yale University and Columbia University before becoming a lawyer for the Southern Railway Company in 1896. By 1906 he was Southern's vice-president of finance, and in 1907 he helped secure funding to keep the company solvent. In 1913 he was elected president of Southern, where he instituted a number of reforms in the way the company operated.