Cognomen Stepunina (Stepunina 
, Степунина 
) , all over the world, is a rare surname. The surname Stepunina is habitual in Kazakhstan, where it is a rare surname, Russia, and Greece, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Stepunina | Greece, Russia |
| Степунина | Kazakhstan, Russia |