Gallo is a surname. Notable people with the surname include:
Agostino Gallo (1499–1570), Italian agronomistAmerican gangsters:Albert Gallo, one of the "Gallo brothers"Joe Gallo, one of the "Gallo brothers"Joseph N. Gallo, consiglieri of the Gambino crime familyLarry Gallo, one of the "Gallo brothers"Anna Maria Gallo, better known as Mary Frances of the Five Wounds of Jesus, Italian saintAndrea Gallo (1928–2013), Italian Roman Catholic priestAnthony Gallo, guitaristArmando Gallo, Italian journalist and photographerBill Gallo, cartoonist and columnist for the New York Daily NewsCarla Gallo, American actressDean Gallo, American congressmanDiego Gallo, Uruguayan swimmerDomenico Gallo, Italian composer and violinist whose works are sometimes mistakenly attributed to Pergolesi.E & J Gallo Winery, founded in 1933Ernest Gallo, co-founderJulio Gallo, co-founderJoseph Edward Gallo, brother of Ernest and Julio GalloInigo Gallo, Swiss actor and playwrightFortune Gallo, impresario of the San Carlo Opera CompanyGeorge Gallo, American film producerMario Gallo, Italian born Argentine film directorMax Gallo, French author who wrote a series of novels based on the life of Napoleon I of FranceMarielle Gallo, French Member of the European ParliamentMelissa Gallo, now uses the name Melissa FumeroRobert Gallo, retrovirus expert famous for his co-discovery of HIV, the virus that causes AIDSVincent Gallo, film directorSamuel Sarfati, physician to Pope Julius II, known as GalloFictional characters:
Cordelia Gallo, a character in the Japanese light novel series Gosick