Family name Олег-Ярослав (Олег-Ярослав 
) , in the world, is an extremely rare surname. Much more frequently, Олег-Ярослав 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 Ярослав.
| VARIANT | COUNTRY |
|---|---|
| Олег-Ярослав | Ukraine |