Surname Radugina (Radugina 
, Радугина 
) , in the entire world, is a rare cognomen. The last name Radugina is characteristic of Russia, where it is a rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Radugina | Russia |
| Радугина | Kazakhstan, Russia, Ukraine |
| elena radugina researcher |
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