Family name Llavero (Llavero 
) , worldwide, is a rare cognomen. The surname Llavero is characteristic of Spain, where it is a rare surname, Australia, where it is a very rare surname, and France. Also, Llavero is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Llavero | Spain, Mexico, France, Australia, Argentina |
| francisco llavero researcher |
|
|
| eloísa llavero ruiz Spanish philologist and researcher, ES |
|