Cognomen Aner Efrain (Aner Efrain 
) , throughout the world, is an extremely rare last name. The cognomen Aner Efrain is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More prevalently, Aner Efrain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aner Efrain | Chile, Peru |