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