Family name Alfredo Onias (Alfredo Onias 
) , in the world, is an extremely rare last name. The cognomen Alfredo Onias is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Also, Alfredo Onias is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alfredo Onias | Chile |