Everitte St. John (February 4, 1844 - April 21, 1908) was an American businessman and railroad executive. St. John began working for the Rock Island system in 1863, an association that lasted thirty-one years. Eventually, he became general manager of the Rock Island. He served as chairman of the General Managers's Association of all the railroads entering Chicago and held that position during the 1894 Pullman strike. He resigned in 1894 to become the vice-president and general manager of the Seaboard Air Line. He retired in 1901. He married Emmelina Lamson on February 4, 1869, his twenty-fifth birthday.