Surname Кинащук (Kinaschuk 
, Кинащук 
, Kinashchuk 
) , all over the world, is a rare cognomen. The cognomen Кинащук is characteristic of Canada, where it is a rare surname, Bulgaria, and Russia, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Canada, Russia, and the United States. Much less frequently, Кинащук is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kinaschuk | United States, Argentina, Canada |
| Кинащук | Kazakhstan, Russia, Ukraine |
| Kinashchuk | Russia, Ukraine, France, Bulgaria |
| Kinachtchouk | United States, Canada |