Family name Rykhlyuk (Рыхлюк 
, Rykhlyuk 
) , in all the world, is a very rare surname. The surname Rykhlyuk is habitual in Belarus, where it is a rare surname, Russia, where it is a very rare surname, and Kazakhstan. Very seldom, Rykhlyuk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Рыхлюк | Kazakhstan, Russia, Belarus |
| Rykhlyuk | Russia, United States |