Around the globe, Ruben Arnoldo (Ruben Arnoldo 
) is a rare male forename. The given name Ruben Arnoldo is habitual in Latin America and the Caribbean, particularly Chile, where it is quite a rare masculine name. Much less frequently, Ruben Arnoldo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ruben Arnoldo | Argentina, Spain, Chile, Ecuador, Costa Rica |