Surname Олессиа (Olessia 
, Олессиа 
) , around the globe, is a very rare family name. The family name Олессиа is characteristic of Cyprus, where it is quite a rare surname, Hungary, where it is a very rare surname, and Nicaragua. In absolute terms, it is the most numerous in Cyprus, Hungary, and Honduras. More prevalently, Олессиа is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olessia | Germany, Cyprus, Italy, United States, France |
| Олессиа | Russia |