Augusto \a(u)-gus-to, aug(u)-sto\ as a boy's name is a variant of August (Latin) and Augustus (Latin), and the meaning of Augusto is "great, magnificient".
The baby name Augusto sounds like Auguste, Augustino, Augustin, Agosto and Augustyn. Other similar baby names are Anasto, Aristo, Augustine, Agustus, Agustino, Agustin and Agoston.