Surname Olvero (Olvero 
) , throughout the world, is a very rare family name. The surname Olvero is characteristic of Philippines, where it is a very rare surname, Honduras, and Venezuela, where it is an extremely rare surname. In absolute terms, it is commonest in Philippines, the United States, and Mexico. Very seldom, Olvero is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olvero | Spain, Philippines, Mexico, United States, Venezuela |