Gustavo \g(u)-sta-vo, gus-tavo\ as a boy's name is a variant of Gustave (Scandinavian), and the meaning of Gustavo is "royal staff; staff of the gods".
The baby name Gustavo sounds like Gustav and Gustovo. Other similar baby names are Gusztav, Gustaw, Gustavus, Gustaof, Gustaff, Gustaf and Gustaaf.