Allonso \a-llon-so, all(o)-nso\ as a boy's name is a variant of Alonzo (Spanish, Italian). See for meaning of Allonso.

The baby name Allonso sounds like Alonso, Allohnso and Allonzo. Other similar baby names are Alfonso, Allon, Alphonso, Alfonzo, Alfonse, Alfons, Affonso, Alohnso, Allohnzo and Alanso.