Surname Fausto Eugenio (Fausto Eugenio 
) , globally, is an extremely rare family name. The last name Fausto Eugenio is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more prevalently, Fausto Eugenio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fausto Eugenio | Costa Rica, Spain, Chile, Ecuador, Peru |
Rojas, Callupe, Espinoza, Sanchez Coleto, and Zambrano Murillo