Bonanno is an Italian surname derived from a medieval given name meaning . Notable people with the surname include:
Bonanno crime family, a Mafia family in New York City Joseph Bonanno (1905–2002), founder Salvatore Bonanno (1932–2008), son of Joseph Alfio Bonanno (born 1976), Australian-Italian tenor, songwriter, musician and composer Alfredo M. Bonanno (1937–2023), Italian anarchist Anthony Bonanno, Maltese archeologist Benny Bonanno (born ), American politician Bert Bonanno, American track and field coach and sports administrator George Bonanno, American clinical psychologist and pioneer of bereavement research Giovanna Bonanno (–1789), Italian alleged witch and poisoner Giovanni Bonanno (born 1968), Italian racing driver Joseph A. Bonanno, American optometrist Kathleen Sheeder Bonanno (1956–2017), American poet, teacher, and contributing editor to The American Poetry Review Margaret Wander Bonanno (1950–2021), American science fiction author Mark Bonanno, Australian comedian Mike Bonanno (born 1968), American multimedia artist, leading member of The Yes Men Nicholas Bonanno (1927–2002), American trade unionist Nicolás Bonanno (born 1991), Argentine handball player Rinaldo Bonanno (1545–1600), Italian sculptor Robin Bonanno (born 1962), American race car driver
See also Bonanno Pisano (), Italian sculptor Bonanno: A Godfather's Story, a 1999 biopic based on the memoirs of Joseph and Bill Bonanno Bonanno catheter, a medical device Buonanno Bonano Bonnano Bonanni