Around the world, Monterio (Monterio 
) is a very rare predominantly male, but very seldom feminine first name. The first name Monterio is characteristic of the United States, where it is a very rare principally boy's, but very seldom girly name, and India, where it is an extremely rare epicene name. More frequently, Monterio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Monterio | Brazil, Portugal, United States, Malaysia, India |