James Joseph Dykes (November 10, 1896 – June 15, 1976) was an American professional baseball player, coach and manager. He played in Major League Baseball as a third and second baseman from 1918 through 1939, most notably as a member of the Philadelphia Athletics dynasty that won three consecutive American League pennants from 1929 to 1931 and, won the World Series in 1929 and 1930. He played his final six seasons for the Chicago White Sox.