Costantini

Costantini is an Italian surname. Notable people with the surname include:


 * Alessandro Costantini (c.1581–1657), Italian Baroque composer
 * Bartolomeo Costantini (1889–1941), Italian aviator and racing driver
 * Celso Benigno Luigi Costantini (1876–1958), Italian cardinal
 * Costantino Costantini, Italian politician and lawyer
 * Dino Costantini
 * Eduardo Costantini (born 1946), Argentine businessman
 * Emilio Costantini
 * Ermenegildo Costantini (1731–1791), Italian painter, active in Rome
 * Fabrizio Costantini
 * Flavio Costantini (1926–2013), Italian artist
 * Francesco Costantini (1827–1899), Italian lawyer and politician
 * Gianluca Costantini (born 1971), Italian cartoonist, artist, Comic journalist, and activist
 * Humberto Costantini (1924–1987), Argentine writer and poet
 * Livia Nannini Costantini
 * María Teresa Costantini (born 1949), Argentine actress
 * Nicholas Costantini (born 1989), Italian football player
 * Pierre Dominique Costantini (1889–1986), French soldier, journalist, writer and Bonapartist militant
 * Tommaso Costantini (born 1996), Italian football player