Cognomen Олена-Сільвія (Олена-Сільвія 
) , all over the world, is an extremely rare surname. Much more prevalently, Олена-Сільвія is the forename as well as the last name. Parts of the name also exists independently as a first name Олена, and a first name Сільвія.
| VARIANT | COUNTRY |
|---|---|
| Олена-Сільвія | Ukraine |