Across the world, Maximiliano Sebastian (Maximiliano Sebastian 
) is a rare masculine forename. The given name Maximiliano Sebastian is characteristic of Latin America and the Caribbean, particularly Chile, where it is quite a rare male name, and Argentina, where it is a rare male name. Very seldom, Maximiliano Sebastian is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Maximiliano Sebastian | Peru, Ecuador, Chile, Argentina |