Family name Efimija (Ефимия 
, Євфимія , Евфимия ) , worldwide, is a rare cognomen. The family name Efimija is habitual in North Macedonia, where it is quite a rare surname, and Bulgaria. More prevalently, Efimija is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ефимия | Bulgaria, Belarus, Kazakhstan, Russia, Ukraine |
| Євфимія | Ukraine |
| Евфимия | Russia, Kazakhstan, Belarus |
| Efimija | North Macedonia, Belarus |