Last name Beldio (Beldio 
) , in all the world, is a very rare cognomen. The family name Beldio is habitual in France, where it is a very rare surname, Philippines, and the United States, where it is an extremely rare surname. Much less frequently, Beldio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Beldio | Spain, France, United States, Philippines |