Last name Geraldio (Geraldio 
) , around the world, is a very rare family name. The surname Geraldio is characteristic of South-eastern Asia, particularly Indonesia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Also, Geraldio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Geraldio | Indonesia, Philippines |