Giulio is a given name. Notable people with the name include:
Giulio Alberoni, Italian cardinal and statesmanGiulio Andreotti (1919–2013), Italian politicianGiulio Caccini (c.1545–1618), Florentine composer, significant innovator of the early Baroque eraGiulio Calì (1895–1967), Italian actorGiulio Cappelli (1911–1995), Italian football playerGiulio Einaudi (1912–1999), Italian book publisherGiulio Fioravanti (1923–1999), Italian operatic baritoneGiulio Gaudini (1904–1948), Italian fencerGiulio Gavotti (1882–1939), Italian pilot in the Italo-Turkish War and the first pilot to perform an aerial bombardmentGiulio Natta (1903–1979), Italian chemist, Nobel Prize laureateGiulio Oggioni (1916–1993), Italian bishopGiulio Prosperetti (born 1946), Italian labor law scholar and judgeGiulio Racah (1909–1965), Israeli mathematician and physicistGiulio Romano (c.1499–1546), Italian painterGiulio Antonio Santorio (1532–1602), Italian cardinalGiulio Sarrocchi (1887–1971), Italian fencerGiulio Scarpati (born 1956), Italian actorGiulio Toniolatti (born 1984), Italian rugby union playerAs a surnameCarlo Ignazio Giulio (1803–1859), Italian mathematician and mechanical engineer (it)