Ciardi is an Italian surname. Notable people with the surname include:Benedetta Ciardi, Italian astrophysicist Beppe Ciardi (1875–1932), Italian painter Cesare Ciardi (1818–1877), Italian flautist and composer David Ciardi, American astrophysicist Emma Ciardi (1879–1933), Italian painter Fabio Cifariello Ciardi, Italian composer Francesca Ciardi, Italian actress Guglielmo Ciardi (1842–1917), Italian painter John Ciardi (1916–1986), American poet, translator, and etymologist Mark Ciardi, American film producer and baseball player
