Around the world, Giovanni Gustavo (Giovanni Gustavo 
) is a very rare male first name. The first name Giovanni Gustavo is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare boy's name, and Peru. Very seldom, Giovanni Gustavo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Giovanni Gustavo | Peru, Argentina, Chile, Ecuador, Costa Rica |