Surname Evstifeeva (Евстифеева 
, Evstifeeva 
) , in the world, is quite a rare cognomen. The surname Evstifeeva is habitual in Russia, where it is quite a rare surname, Kazakhstan, and Kyrgyzstan, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Евстифеева | Kazakhstan, Ukraine, Belarus, Kyrgyzstan, Russia |
| Evstifeeva | Bulgaria, Canada, United States, Russia, Finland |
| s e evstifeeva researcher (ORCID 0000-0002-7486-4667) |
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| g yu evstifeeva researcher (ORCID 0000-0001-6632-5658) |
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