Cognomen Ruben-Zach (Ruben-Zach 
) , in the world, is an extremely rare family name. Predominantly, Ruben-Zach is the forename as well as the last name. Parts of the name also exists independently as a first name Ruben, and a first name Zach.
| VARIANT | COUNTRY |
|---|---|
| Ruben-Zach | Democratic Republic of the Congo |