Surname Deykina (Дейкина 
, Deykina 
) , worldwide, is quite a rare cognomen. The last name Deykina is habitual in Russia, where it is a rare surname, Bulgaria, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Дейкина | Kazakhstan, Russia, Kyrgyzstan, Belarus, Bulgaria |
| Deykina | Russia, United States |