Family name Raul Hernan (Raul Hernan 
) , throughout the world, is quite a rare cognomen. The last name Raul Hernan is habitual in Chile, where it is quite a rare surname, and Spain, where it is an extremely rare surname. More frequently, Raul Hernan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Raul Hernan | Peru, Colombia, Argentina, Chile, Ecuador |