Surname Ricardo Humberto (Ricardo Humberto 
) , in the world, is a rare last name. The cognomen Ricardo Humberto is habitual in Chile, where it is quite a rare surname, and Spain, where it is a very rare surname. More prevalently, Ricardo Humberto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ricardo Humberto | Mexico, Ecuador, Chile, Peru, Costa Rica |