Cavalieri is an Italian surname.
Bonaventura Cavalieri (1598–1647), Italian mathematician
Caterina Cavalieri (1755–1801), Austrian opera soprano
Diego Cavalieri (born 1982), Brazilian footballer; goalkeeper for Fluminense
Emilio de' Cavalieri (1550–1602), Italian composer of the late Renaissance
Grace Cavalieri (born 1932), American poet and playwright
Joey Cavalieri, American comic book writer and editor
Lina Cavalieri (1874–1944), Italian opera soprano
Paola Cavalieri (born 1950), Italian philosopher
Tommaso dei Cavalieri (c. 1508-1587), Italian friend of Michelangelo
