Family name De Souza Barreto (De Souza Barreto 
) , throughout the world, is an extremely rare last name. The last name De Souza Barreto is characteristic of Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| De Souza Barreto | Brazil |
Giulia, and Augusto Gabriel