Cognomen Giobanna (Giobanna 
) , in the entire world, is a very rare surname. The surname Giobanna is characteristic of Latin America and the Caribbean, particularly Mexico, where it is a very rare surname, Honduras, and Chile, where it is an extremely rare surname. More frequently, Giobanna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Giobanna | Peru, Colombia, United States, Mexico, Italy |