Julio Carlos Santiago "Ghito" Vernazza (born December 29, 1928 in Buenos Aires) is a former Argentine footballer. He was a forward who played for Platense and River Plate in his native Argentina until 1956, when he moved to Italy and signed for newly-promoted Serie A club Palermo. He played four seasons in Sicily, two in Serie A and two in Serie B, scoring over 50 goals and becoming one of the major players in the team history.
In 1960/1961, Vernazza played for AC Milan, where he obtained a second place. In 1961/1962, he moved to Vicenza, where he played two seasons before to retire in 1963 at the age of 35.