Surname Cornelio Ruben (Cornelio Ruben 
) , across the world, is an extremely rare family name. The family name Cornelio Ruben is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Cornelio Ruben is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cornelio Ruben | Philippines, Argentina, Peru, Ecuador, Chile |