Surname Vitchai (Vitchai 
, Вичай 
) , in the world, is a very rare family name. The cognomen Vitchai is characteristic of Kazakhstan, where it is a very rare surname, Russia, where it is an extremely rare surname, and the United States. Very seldom, Vitchai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vitchai | United States, Malaysia |
| Вичай | Russia, Kazakhstan |