Giulio is a given name. Notable people with the name include:
Giulio Alberoni, Italian cardinal and statesman
Giulio Andreotti (1919–2013), Italian politician
Giulio Caccini (c.1545–1618), Florentine composer, significant innovator of the early Baroque era
Giulio Calì (1895–1967), Italian actor
Giulio Cappelli (1911–1995), Italian football player
Giulio Einaudi (1912–1999), Italian book publisher
Giulio Fioravanti (1923–1999), Italian operatic baritone
Giulio Gaudini (1904–1948), Italian fencer
Giulio Gavotti (1882–1939), Italian pilot in the Italo-Turkish War and the first pilot to perform an aerial bombardment
Giulio Natta (1903–1979), Italian chemist, Nobel Prize laureate
Giulio Oggioni (1916–1993), Italian bishop
Giulio Prosperetti (born 1946), Italian labor law scholar and judge
Giulio Racah (1909–1965), Israeli mathematician and physicist
Giulio Romano (c.1499–1546), Italian painter
Giulio Antonio Santorio (1532–1602), Italian cardinal
Giulio Sarrocchi (1887–1971), Italian fencer
Giulio Scarpati (born 1956), Italian actor
Giulio Toniolatti (born 1984), Italian rugby union player
As a surname
Carlo Ignazio Giulio (1803–1859), Italian mathematician and mechanical engineer (it)
