James Albert "Dan" Boone (January 19, 1895 – June 11, 1968) was an American professional baseball pitcher. He played in Major League Baseball (MLB) from 1919 to 1923 for the Philadelphia Athletics, Detroit Tigers, and Cleveland Indians. His younger brother, Ike, also played in the major leagues from 1922–32. Boone died in Tuscaloosa, Alabama, at the age of 73.