Mario \m(a)-rio\ as a boy's name is pronounced MAR-ee-oh. It is of Latin origin, and the meaning of Mario is "manly". From Marius. Also used as masculine form of Mary (Latin) "star of the sea" and variant of Mark. See also Mariano. New York governor Mario Cuomo; chef Mario Batali.
Mario has 3 variant forms: Marianus, Marius and Meirion.
Baby names that sound like Mario are Mareo, Maro, Maurio and Morio.