Cognomen Evanthia (Evanthia 
, Ευανθία , Еванфия 
) , across the world, is a common last name. The cognomen Evanthia is characteristic of Southern Europe, particularly Greece, where it is a common surname. Also, Evanthia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Evanthia | Italy, Greece, Cyprus, United States, South Africa |
| Ευανθία | Greece |
| Еванфия | Kazakhstan |