Surname Slastina (Сластина 
, Slastina 
) , in all the world, is a rare last name. The family name Slastina is characteristic of Kazakhstan, where it is a rare surname, Russia, and Kyrgyzstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Сластина | Kyrgyzstan, Kazakhstan, Russia, Ukraine |
| Slastina | Russia, United States |