Last name Diego Alejandro Antonio (Diego Alejandro Antonio 
) , all over the world, is an extremely rare surname. The cognomen Diego Alejandro Antonio is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Diego Alejandro Antonio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diego Alejandro Antonio | Chile |