Cognomen Filchenkova (Filchenkova 
, Филченкова , Фильченкова 
) , across the world, is quite a rare family name. The last name Filchenkova is characteristic of Russia, where it is a rare surname, Estonia, and Belarus. Not in comparison with a country's population, it is commonest in Russia, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Filchenkova | Estonia, Russia, United States, Ukraine |
| Филченкова | Russia |
| Фильченкова | Russia, Ukraine, Kazakhstan, Belarus |
Фильчёнкова, Філченкова, and Фільченкова