Surname Ростислав-Ігор (Ростислав-Ігор 
) , in the world, is an extremely rare family name. Predominantly, Ростислав-Ігор is the forename as well as the last name. Parts of the name also exists independently as a first name Ростислав, and a first name Ігор.
| VARIANT | COUNTRY |
|---|---|
| Ростислав-Ігор | Ukraine |