Family name Saniuk (Saniuk 
, Санюк 
) , in the world, is quite a rare surname. The surname Saniuk is characteristic of Eastern Europe, particularly Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Poland. In absolute terms, this name is the most popular in Eastern Europe, particularly Belarus, Russia, and Ukraine. Much less frequently, Saniuk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saniuk | Canada, Belarus, United States, Poland, Argentina |
| Санюк | Belarus, Russia, Kazakhstan, Ukraine |