Cognomen Gustavo Baltazar (Gustavo Baltazar 
) , throughout the world, is an extremely rare family name. The cognomen Gustavo Baltazar is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Gustavo Baltazar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gustavo Baltazar | Chile, Peru, Ecuador |