Surname Ermanas (Ерманас 
, Ermanas 
) , in the entire world, is a very rare cognomen. The family name Ermanas is habitual in Northern Europe, particularly Lithuania, where it is a rare surname. Also, Ermanas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ерманас | Kazakhstan, Kyrgyzstan, Russia |
| Ermanas | Lithuania |