Cognomen Jandyk (Жандык 
, Jandyk 
) , worldwide, is a very rare family name. The family name Jandyk is habitual in Belarus, where it is a very rare surname, Russia, and South Africa, where it is an extremely rare surname. Much less frequently, Jandyk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Жандык | Kazakhstan, Russia, Belarus |
| Jandyk | South Africa |