Surname Ruiz Carlos (Ruiz Carlos 
) , throughout the world, is a very rare cognomen. The last name Ruiz Carlos is habitual in Ecuador, where it is a rare surname, Italy, where it is a very rare surname, and Spain. Very seldom, Ruiz Carlos is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruiz Carlos | Spain, Peru, Italy, Albania, Ecuador |