Family name Galdencio (Galdencio 
) , all over the world, is a rare cognomen. The surname Galdencio is habitual in Brazil, where it is a rare surname, the United States, where it is an extremely rare surname, and Venezuela. Also, Galdencio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Galdencio | Brazil, Venezuela, United States, Philippines |