Cognomen Fabian Estuardo (Fabian Estuardo 
) , worldwide, is an extremely rare last name. The family name Fabian Estuardo is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Predominantly, Fabian Estuardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fabian Estuardo | Peru, Chile, Ecuador |