Joseph Hurst Ball (November 3, 1905 – December 18, 1993) was an American journalist, politician and businessman. Ball served as a Republican senator from Minnesota from 1940 to 1949. He was a conservative in domestic policy and a leading foe of labor unions. He helped draft the Taft-Hartley Act of 1947. Ball was best known for his internationalism and his support for a postwar world organization, that became the United Nations. However, after 1945 he was an opponent of the Marshall Plan.