Julius Caesar, called Giulio Cesare in Italian

Giulio Cesare is an opera by Handel first performed in 1724. Other uses:

Italian battleship Giulio Cesare, a Conte di Cavour-class ship that served in both World Wars and in two navies

Giulio Cesare Vanini (1585-1619), pen name of Lucilio Vanini, a free-thinker somewhat comparable to Bruno

Giulio Cesare Martinengo (c.1568–1613), composer and teacher of the late Renaissance and early Venetian School

Giulio Cesare la Galla (1576–1624), professor of philosophy at the Collegio Romano and opponent of heliocentrism