Surname Baldio (Baldio 
) , all around the world, is a rare cognomen. The family name Baldio is habitual in Philippines, where it is a rare surname, Peru, and Italy, where it is an extremely rare surname. Very seldom, Baldio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Baldio | Italy, Spain, Philippines, Pakistan, Peru |