Last name Segundo Efren (Segundo Efren 
) , around the world, is an extremely rare family name. The surname Segundo Efren is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more prevalently, Segundo Efren is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Segundo Efren | Chile, Peru, Ecuador |