Cognomen Vaykhansky (Vaykhansky 
, Вайханский 
) , across the world, is a very rare last name. The surname Vaykhansky is characteristic of Belarus, where it is a rare surname, Russia, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vaykhansky | Canada |
| Вайханский | Russia, Belarus |
Ваиханскы, Вайханскы, and Вайханський