Surname Ragulina (Рагулина 
, Ragulina 
) , throughout the world, is quite a rare family name. The cognomen Ragulina is characteristic of Russia, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Рагулина | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Ragulina | Lithuania, Kazakhstan, Norway, Germany, Russia |