Family name Эугения (Eugenija 
, Eugeniya 
, Эугения 
) , worldwide, is a very rare cognomen. The last name Эугения is characteristic of Slovenia, where it is a rare surname, Lithuania, and Spain, where it is a very rare surname. More prevalently, Эугения is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Eugenija | Spain, Croatia, Lithuania, Slovenia, United States |
| Eugeniya | Spain, Bulgaria, Greece, United States, Russia |
| Эугения | Russia, Kazakhstan |
| Eugeniia | Spain, Greece, United States, Russia, Ukraine |