Surname Olegaria (Olegaria 
) , worldwide, is quite a rare family name. The last name Olegaria is characteristic of Mexico, where it is quite a rare surname, Spain, where it is a rare surname, and Nicaragua. Measured by absolute frequency, the name is most common in Mexico, Spain, and Venezuela. Likewise, Olegaria is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olegaria | Philippines, Argentina, Spain, Brazil, Mexico |