Alfonzus \a-lfon-zus, al-fo-nzus\ as a boy's name is a variant of Alphonse (Old German), and the meaning of Alfonzus is "ready for battle".

The baby name Alfonzus sounds like Alfonsus, Alfonzo, Alfonz, Alfons and Alphonzus. Other similar baby names are Alfonso, Alphonsus, Alfonsin and Alfonse.