Family name Benaches (Benaches 
) , all over the world, is a rare last name. The surname Benaches is habitual in Spain, where it is a rare surname, Argentina, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Also, Benaches is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Benaches | Brazil, Argentina, Spain, Venezuela |