Fiorentino is an Italian surname. Notable people with the surname include:
Imero Fiorentino (1928–2013), American lighting designer
Linda Fiorentino (born Clorinda Fiorentino), American film and television actress
Melissa Fiorentino, American female boxer
Rosso Fiorentino, (the Red Florentine), Italian Mannerist painter
Sergio Fiorentino, Italian classical pianist
Nicole Fiorentino, American bass guitarist
Joe Fiorentino, Martial Arts Champion, Ellis Island Medal of Honor