Family name Berdyugina (Бердюгина 
, Berdyugina 
) , all over the world, is quite a rare cognomen. The family name Berdyugina is habitual in Kazakhstan, where it is quite a rare surname, Russia, where it is a rare surname, and Estonia. In absolute terms, this name is the most popular in Kazakhstan, Russia, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Бердюгина | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Berdyugina | Norway, Kazakhstan, Estonia, United States, Russia |