Family name Надёжкина (Надёжкина 
) , globally, is a very rare surname. The surname Надёжкина is habitual in Belarus, where it is a very rare surname, Kazakhstan, and Kyrgyzstan.
| VARIANT | COUNTRY |
|---|---|
| Надёжкина | Kyrgyzstan, Kazakhstan, Russia, Belarus |
Nadejkina, Nadezhkina, and Nadyozhkina