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