Surname Kadochkina (Кадочкина 
, Kadochkina 
) , around the world, is a rare cognomen. The surname Kadochkina is characteristic of Russia, where it is a rare surname, Kazakhstan, and Kyrgyzstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Кадочкина | Kyrgyzstan, Kazakhstan, Russia, Ukraine |
| Kadochkina | Russia, United States |