Last name Gonzalo Efren (Gonzalo Efren 
) , in all the world, is an extremely rare surname. The last name Gonzalo Efren is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more frequently, Gonzalo Efren is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gonzalo Efren | Chile, Ecuador |