Cognomen Diogenes Ricardo (Diogenes Ricardo 
) , all around the world, is an extremely rare surname. The surname Diogenes Ricardo is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Diogenes Ricardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diogenes Ricardo | Philippines, Peru, Chile, Ecuador, Costa Rica |