Namesakes
Giulio Romano
(m) c. 1499-1546 
Notable Artists
Cardinal Mazarin
(a.k.a. Giulio) (m) 1602-1661
Notable Politicians and Statespeople
Giulio Natta
(m) 1903-1979
Nobel Prize Winners 1963 (chemistry)
Notable Scientists and Inventors
Giulio Andreotti
(m) 1919-2013
Italian Presidents and Prime Ministers 1972-1973; 1976-1979; 1989-1992 (prime minister)