Andreoni is an Italian and Corsican surname, derived from the given name Andrea. Notable people with the surname include:
Cristian Andreoni (born 1992), Italian football player Giovanni Battista Andreoni (1720–1797), Italian castrato singer James Andreoni (born 1959), American economist Luis Andreoni (1853–1936), Italian engineer active in Uruguay Serge Andreoni (born 1940), French politician Wanda Andreoni (born 1949), Italian and Swiss physical chemist