Surname Vaniosov (Vaniosov 
, Ваниосов 
) , across the world, is a very rare last name. The cognomen Vaniosov is habitual in Greece, where it is a rare surname, Russia, where it is a very rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Vaniosov | Greece |
| Ваниосов | Kazakhstan, Russia |