Leon Janney (1 April 1917 – 28 Oktober 1980) was 'n Amerikaanse akteur. Hy was bekend vir sy rolle in die rolprente Father's Son (1931), Stolen Paradise (1940), The Last Mile (1959), en Charly (1968). 1930: Courage 1931: Father's Son 1931: Penrod and Sam 1932: Police Court 1940: Stolen Paradise 1959: The Last Mile 1968: Charly 1949: That Wonderful Guy 1949: Think Fast 1966: Hawk 1959: The Philadelphia Story Leon Janney in die Internet-rolprentdatabasis