Family name Nadeikina (Nadeikina 
, Надеикина , Надейкина 
) , worldwide, is a rare cognomen. The last name Nadeikina is characteristic of Russia, where it is a rare surname, Belarus, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Надеикина, Nadeikina | Russia |
| Надейкина | Kyrgyzstan, Russia, Kazakhstan, Belarus |