Cognomen Leschuk (Лещук 
, Лесчук , Leschuk 
) , all over the world, is quite a common surname. The family name Leschuk is habitual in Eastern Europe, particularly Ukraine, where it is quite a rare surname, Belarus, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Лещук | Azerbaijan, Kazakhstan, Russia, Belarus, Ukraine |
| Лесчук | Russia |
| Leschuk | Belarus, United States, Argentina, Canada, Brazil |