Fiorio is a surname. Notable people with the surname include:

Alex Fiorio (born 1965), Italian rally driver Bill Fiorio known as Duke Tumatoe (born 1947), American blues guitarist, vocalist and songwriter Cesare Fiorio (born 1939), Italian racing driver and Formula One sporting director Giorgia Fiorio (born 1967), Italien photographer, artist and essayist Franco Emilio Fiorio (born 1912), Italian Diplomat (Counselor for Scientific Affairs), Baron of San Cassiano

See also Caffè Fiorio, is a historic café in Turin, northern Italy