Last name Ramon Olegario (Ramon Olegario 
) , across the world, is an extremely rare family name. The surname Ramon Olegario is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Ramon Olegario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ramon Olegario | Spain, Philippines, Chile, Ecuador, Argentina |