Cognomen Voroshnina (Ворошнина 
, Voroshnina ) , all around the world, is a rare family name. The last name Voroshnina is characteristic of Russia, where it is a rare surname, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Ворошнина | Kazakhstan, Ukraine, Russia, Belarus |
| Voroshnina | Russia |