Daniel Albion "Jumping Jack" Jones, Jr. (October 23, 1860 – October 19, 1936) was an American professional baseball pitcher, dentist and voice trainer. He played in Major League Baseball in 1883, splitting the season between the Detroit Wolverines and Philadelphia Athletics. With a strong showing in September 1883, he helped the Athletics win the American Association pennant by one game over the St. Louis Browns. Jones also led the Yale Bulldogs baseball team to two intercollegiate championships in the early 1880s.