Alfonzo \a-lfon-zo, al-fo-nzo\ as a boy's name is a variant of Alfonso (Italian, Spanish) and Alphonse (Old German), and the meaning of Alfonzo is "ready for battle".

The baby name Alfonzo sounds like Alfonz, Alfonse, Alfons, Alphonzo and Alfonzus. Other similar baby names are Alonzo and Allonzo.