Giovannini is an Italian surname. Notable people with the surname include:
Andrea Giovannini (born 1993), Italian speed skater
Attilio Giovannini (born 1924), Italian footballer
Caesar Giovannini, American pianist, band arranger and composer
Carlo Cesare Giovannini (1695–1758), Italian Baroque painter
Carlotta Giovannini (born 1990), Italian artistic gymnast
Enrico Giovannini (born 1957), Italian economist and statistician
Gianluca Giovannini (born 1983), Italian footballer
