Maximiliano \max(i)-milia-no, maxim(i)-liano\ as a boy's name is a variant of Maximilian (Latin), and the meaning of Maximiliano is "greatest".
The baby name Maximiliano sounds like Maxymilian, Maximillian, Maximilien, Maximilianus and Maxemilian. Other similar baby names are Massimiliano, Maxymillian, Maximino and Maxemilion.