Last name Realberto (Realberto 
) , worldwide, is an extremely rare family name. The surname Realberto is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, and Argentina, where it is an extremely rare surname. More frequently, Realberto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Realberto | Brazil, Philippines, Nicaragua, Argentina |