Last name Olessa (Olessa 
) , worldwide, is quite a rare surname. The family name Olessa is habitual in the Democratic Republic of the Congo, where it is quite a rare surname, Mexico, where it is an extremely rare surname, and India. Much less frequently, Olessa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olessa | India, United States, Democratic Republic of the Congo, Mexico |