Surname Vaikhanskii (Vaikhanskii 
, Вайханский 
) , globally, is a very rare cognomen. The surname Vaikhanskii is characteristic of Eastern Europe, particularly Belarus, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vaikhanskii | Russia |
| Вайханский | Russia, Belarus |
Ваиханский, and Вайханський