Surname Bykadorova (Быкадорова 
, Bykadorova 
) , globally, is quite a rare last name. The cognomen Bykadorova is habitual in Russia, where it is quite a rare surname, Belarus, where it is a rare surname, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Быкадорова | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Bykadorova | Canada, United States, Germany, Russia, Ukraine |