Cognomen Ricardo Lucio (Ricardo Lucio 
) , in all the world, is an extremely rare surname. The family name Ricardo Lucio is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. Much more prevalently, Ricardo Lucio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ricardo Lucio | Peru, Brazil, Chile, Mexico, Ecuador |