Cognomen Регина-Бируте (Регина-Бируте 
) , globally, is an extremely rare family name. Much more frequently, Регина-Бируте is the forename as well as the last name. Parts of the name also exists independently as a first name Регина, and a first name Бируте.
| VARIANT | COUNTRY |
|---|---|
| Регина-Бируте | Russia |