Chiarella is an Italian surname. Notable people with the surname include: José Chiarella (1929-2019), Peruvian football manager Mary Chiarella, British-born Australian nursing educator Tom Chiarella, American writer Walter Chiarella (born 1963), Italian footballer and manager Hugo Chiarella, Australian writer and director
See also Chiarella v. United States, a United States Supreme Court case Chiarella, a genus of hydrozoans in the family Bougainvilliidae