Maxx \max-xx\ as a boy's name is a variant of Max. See for origin and meaning of Maxx.

The baby name Maxx sounds like Maxy, Maks, Maxie and Maxey. Other similar baby names are Marx, Bax, Dax, Jax, Mac, Mack, Mace, Macy, Madox, Mars, Matz, Mats, Mads, Maxim, Mays and Saxe.