Cognomen Bychenkova (Bychenkova 
, Биченкова 
, Быченкова ) , in the world, is quite a rare last name. The surname Bychenkova is characteristic of Russia, where it is quite a rare surname, Lithuania, where it is a rare surname, and Belarus. Measured by absolute frequency, the name is most common in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Bychenkova | Lithuania, Kazakhstan, United States, Russia, Ukraine |
| Быченкова, Биченкова | Belarus, Russia, Kazakhstan, Ukraine |