Surname Олег-Іван (Олег-Іван 
) , throughout the world, is an extremely rare family name. Much more frequently, Олег-Іван is the forename as well as the last name. Parts of the name also exists independently as a first name Олег, and a first name Іван.
| VARIANT | COUNTRY |
|---|---|
| Олег-Іван | Ukraine |