Surname Kadulina (Kadulina 
, Кадулина 
) , worldwide, is a rare last name. The cognomen Kadulina is habitual in Russia, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Kyrgyzstan.
| VARIANT | COUNTRY |
|---|---|
| Kadulina | Russia, Ukraine |
| Кадулина | Russia, Ukraine, Kazakhstan, Kyrgyzstan |