Family name Metanio (Metanio 
) , in all the world, is an extremely rare last name. The last name Metanio is characteristic of Mexico, where it is an extremely rare surname, and the United States. More prevalently, Metanio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Metanio | Mexico, Brazil, Philippines, United States |