Family name Росієлла-Олекса (Росієлла-Олекса 
) , throughout the world, is an extremely rare cognomen. Much more prevalently, Росієлла-Олекса is the forename as well as the last name. Parts of the name also exists independently as a first name Олекса.
| VARIANT | COUNTRY |
|---|---|
| Росієлла-Олекса | Ukraine |