Throughout the world, Олег-Іван (Олег-Іван 
) is a very rare boy's forename. The first name Олег-Іван is habitual in Eastern Europe, particularly Ukraine, where it is a very rare male name. Parts of the name also exists independently as a first name Олег, and a first name Іван.
| VARIANT | COUNTRY |
|---|---|
| Олег-Іван | Ukraine |