Last name Fausto Gustavo (Fausto Gustavo 
) , all over the world, is an extremely rare cognomen. The surname Fausto Gustavo is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Predominantly, Fausto Gustavo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fausto Gustavo | Chile, Brazil, Spain, Peru, Ecuador |