Alonzo is both a given name and a Spanish surname. Notable people with the name include:
Given name
- Alonzo de Barcena, 16th-century Spanish Jesuit missionary and linguist
- Alonzo de Santa Cruz (c. 1505–1567), Spanish cartographer, mapmaker, instrument maker, historian and teacher
- Alonzo Addae (born 1997), Canadian football player
- Alonzo Babers (b. 1961), American sprinter
- Alonzo L. Best (1854–1923), American politician
- Alonzo Bodden, American comedian
- Alonzo Church (1903–1995), American mathematician and computer scientist
- Alonzo Clemons, American autistic savant clay sculptor
- Alonzo B. Coons (1841–1914), American lawyer and politician
- Alonzo B. Cornell (1832–1904), a governor of New York
- Alonzo Drake (1884–1919), English footballer and cricketer
- Alonzo J. Edgerton (1827–1896), American politician
- Alonzo Dillard Folger (1888–1941), American politician
- Alonzo Gee, American basketball player
- Alonzo A. Hinckley (1870–1936), American official of the Church of Jesus Christ of Latter-day Saints
- Alonzo Horton (1813–1910), developer of San Diego, California
- Alonzo Lawrence (b. 1989), American football player
- Alonzo C. Mather (1848–1941), founder of the Mather Stock Car Company
- Alonzo J. Mathison (1876–1941), American politician
- Alonzo B. May (1906–1968), American economist
- Alonzo Mourning (b. 1970), American basketball player
- Alonzo W. Pond (1894–1986), American archaeologist and speleogist
- Alonzo Sargent, (fl. 1918), American locomotive engineer
- Alonzo Swales (1870–1952), British trade unionist
- Allonzo Trier (born 1996), American basketball player
- Alonzo Muhlach, Filipino actor
- Alonzo Williams (born 1957), American DJ
- Alonzo Williams (born 1963), American football player
Surname
- Anne-Marie Alonzo (1951–2005), Canadian playwright, poet, novelist, critic and publisher
- Bea Alonzo (born 1987), Filipino actress and model
- Chad Alonzo, Filipino basketball player
- Chinggoy Alonzo (1950–2017), Filipino actor
- Jérôme Alonzo (born 1972), French football (soccer) player
- John A. Alonzo (1934–2001), U.S. cinematographer
- Mariano Roque Alonzo (died 1853), President of Provisional Junta of Paraguay from 9 February 1841 to 14 March 1841
- Pierre Alonzo (footballer) (born 1940), former French football player
Fictional characters
- Alonzo Quixano, the protagonist of the novel Don Quixote de la Mancha by Miguel de Cervantes
- Alonzo, from Disney's 101 Dalmatians
- Mr Alonzo Smith, played by Leon Ames, and Alonzo 'Lon' Smith Jr., played by Henry H. Daniels Jr., from Meet Me in St. Louis (1944)
- Alonzo (cat), in T. S. Eliot's poetry and the musical CATS
- Alonzo Todd, cousin of Peter Todd in the Billy Bunter books
- Pierre Alonzo, a pseudonym of Richard E. Hughes
See also
Name listThis page or section lists people that share the same given name or the same family name. If an internal link led you here, you may wish to change that link to point directly to the intended article. Categories: