Last name Романас-Антанас (Романас-Антанас 
) , worldwide, is an extremely rare family name. Much more frequently, Романас-Антанас is the forename as well as the last name. Parts of the name also exists independently as a first name Романас, and a first name Антанас.
| VARIANT | COUNTRY |
|---|---|
| Романас-Антанас | Ukraine |