James Eugene MacColl (27 June 1908 – 17 June 1971) was a British Labour politician. He was the younger son of Hugo MacColl, a master marine engineer. At the age of 12 he was orphaned. MacColl was educated at Sedbergh School and Balliol College, Oxford. At Oxford he became secretary of the University Labour club. He graduated with degrees in philosophy, politics and economics. Following his graduation he received a Commonwealth Fund fellowship and spent two years at Chicago University in the United States. He was called to the bar at the Inner Temple in 1933, and practiced on the .