Cognomen Vaynagy (Vaynagy 
, Вайнагий 
) , across the world, is a very rare family name. The last name Vaynagy is characteristic of Russia, where it is a very rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vaynagy | United States |
| Вайнагий | Kazakhstan, Russia, Ukraine |