Last name Olegna (Olegna 
) , worldwide, is quite a rare family name. The surname Olegna is characteristic of the Democratic Republic of the Congo, where it is quite a rare surname, Italy, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Very seldom, Olegna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olegna | Italy, Brazil, United States, Democratic Republic of the Congo, Saudi Arabia |