Alonza \a-lon-za, al(o)-nza\ as a girl's name is a variant of Alfonsine (Old German) and Alonsa (Old German), and the meaning of Alonza is "ready for battle".
The baby name Alonza sounds like Alanza and Alanis. Other similar baby names are Alonna, Alona, Aldonza and Alonia.