Cognomen Vojnich (Vojnich 
, Войнич 
) , in the entire world, is quite a rare family name. The last name Vojnich is habitual in Eastern Europe, particularly Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Vojnich | United States, Hungary |
| Войнич | Kyrgyzstan, Russia, Belarus, Kazakhstan, Ukraine |
| vojnich oszkár HU (b. 1864) |
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vojnich erzsébet Hungarian painter, HU (b. 1953) |
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