Cognomen Ruiz Reinoso (Ruiz Reinoso 
) , in the world, is a rare family name. The cognomen Ruiz Reinoso is characteristic of Cuba, where it is a rare surname, Ecuador, and Finland. Not in comparison with a country's population, it is commonest in Cuba, Ecuador, and Spain.
| VARIANT | COUNTRY |
|---|---|
| Ruiz Reinoso | Finland, Spain, Chile, Ecuador, Cuba |