Alphonso \a-lphon-so, al-pho-nso\ as a boy's name is a variant of Alfonso (Italian, Spanish) and Alphonse (Old German), and the meaning of Alphonso is "ready for battle".

The baby name Alphonso sounds like Alphons and Alphonzo. Other similar baby names are Alphonz, Alphonsus, Alonso, Alohnso and Allonso.