Last name Йолана-Клара (Йолана-Клара 
) , across the world, is an extremely rare cognomen. Predominantly, Йолана-Клара is the forename as well as the last name. Parts of the name also exists independently as a first name Йолана, and a first name Клара.
| VARIANT | COUNTRY |
|---|---|
| Йолана-Клара | Ukraine |