Family name Roberto Efren (Roberto Efren 
) , in all the world, is an extremely rare surname. The cognomen Roberto Efren is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Predominantly, Roberto Efren is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roberto Efren | Spain, Mexico, Chile, Ecuador, Peru |