The name Maximiliano is a boy's name of Spanish origin meaning "greatest". Maximiliano is ranked #294 on our popularity charts and is often added to lists like Mexican Baby Names and discussed in our forums with posts like "Rate the Previous Signature!".
From the experts:
This is a Spanish variation of Maximilian that has begun to gain some popularity. It has a luxurious feel -- maybe it's the suggestion of "millions"? -- but this is one of those Spanish baby names that come with Anglicized nicknames that can make it work across cultures.