All around the world, Blas Gustavo (Blas Gustavo 
) is a rare male given name. The forename Blas Gustavo is habitual in Latin America and the Caribbean, particularly Paraguay, where it is quite a rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| Blas Gustavo | Ecuador, Spain, Chile, Peru, Paraguay |
Cuyari, Nuñez, and Carrion Gonzalez