Family name Kadushkina (Кадушкина 
, Kadushkina 
) , in the entire world, is quite a rare last name. The surname Kadushkina is habitual in Russia, where it is quite a rare surname, Belarus, where it is a rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Кадушкина | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Kadushkina | Russia, Ukraine, United States |