Cognomen Ricardo Olegario (Ricardo Olegario 
) , globally, is an extremely rare last name. The last name Ricardo Olegario is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Ricardo Olegario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ricardo Olegario | Ecuador, Chile, Peru |