Cesi is an Italian surname.
It may refer to the House of Cesi, a noble family of Umbrian origin.
To this belong: Federico Cesi (1500–65), Italian Cardinal Federico Cesi (1585–1630), Italian scientist Paolo Emilio Cesi (1481–1537), Italian Cardinal Pier Donato Cesi (1521–1586), Italian Cardinal Pier Donato Cesi (1583–1656), Italian Cardinal
Further notable people with the surname include:
Bartolomeo Cesi (1556–1629) Italian baroque era painter Bartolomeo Cesi (bishop) (–1537), Italian Roman Catholic bishop Bartolomeo Cesi (cardinal) (1566–1621), Italian Roman Catholic cardinal Beniamino Cesi (1845–1907), Italian concert pianist Carlo Cesi (1622–82), Italian painter and engraver