Last name Alonso Fabian (Alonso Fabian 
) , worldwide, is a very rare family name. The last name Alonso Fabian is characteristic of Chile, where it is a very rare surname, and Spain, where it is an extremely rare surname. More frequently, Alonso Fabian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alonso Fabian | Ecuador, Spain, Chile, Peru, Costa Rica |
Perez, and Peña Mardones