Alonzo Church (1903–1995), a U.S. mathematician.

Alonzo Mourning (b. 1970), a U.S. basketball player.

The following fictional characters have the name Alonzo:

Martin Alonzo Pinzón( c. 1441–1493), a Spanish navigator.

Amos Alonzo Stagg (1862–1965), U.S. sports coach.

Alfonso (Italian and Spanish), Alfons (Catalan and German), Afonso (Portuguese), Affonso (Ancient Portuguese), Alphonse (French and English), Alphons (Dutch), or Alphonso (English and Filipino) is a masculine name, originally from the Gothic language....

Alonzo Horton (1813–1910), developer of San Diego, California.

Alonzo C. Babers (b. 1961), a U.S. athlete.

Alonzo Clark Mather (1848–1941), founder of the Mather Stock Car Company.

Alonzo Barton Cornell (1832–1904), a Governor of New York.

Alonzo Arza Hinckley (1870–1936), a U.S. official of the Church of Jesus Christ of Latter-day Saints.

Alonzo Sargent, (fl. 1918) a U.S. locomotive engineer.

Alonzo Bodden, a U.S. comedian.

Alonzo Dillard Folger (1888 –1941), a U.S. politician.

Alonzo, from the musical CATS.

Alonzo Jay Edgerton (1827–1896), a U.S. politician.

Look up Alonso in Wiktionary, the free dictionary. Alonso is the name of: Alonso Fernández de Lugo, Spanish military man Alonso Mudarra, Spanish composer and vihuelist Alonso Álvarez de Pineda, Spanish explorer and cartographer Alonso Solís, Costa...

Alonzo Clemons, a U.S. autistic savant clay sculptor.

Alonzo Quijana, from the novel Don Quixote.