Cognomen Gueraldo (Gueraldo 
) , in the world, is a very rare surname. The last name Gueraldo is habitual in Brazil, where it is a very rare surname, Italy, and Mexico, where it is an extremely rare surname. Likewise, Gueraldo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gueraldo | Italy, Philippines, United States, Brazil, Mexico |