Across the world, Ruben Marcos (Ruben Marcos 
) is quite a rare male forename. The first name Ruben Marcos is characteristic of Latin America and the Caribbean, particularly Chile, where it is quite a common masculine name, Bolivia, where it is a rare male name, and Peru. Measured by absolute frequency, it is the most numerous in Chile, Peru, and Spain. Much less frequently, Ruben Marcos is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ruben Marcos | Peru, Spain, Bolivia, Chile, Ecuador |