Family name Jaiak (Jaiak 
) , worldwide, is an extremely rare cognomen. The last name Jaiak is characteristic of Georgia, where it is a very rare surname, Malaysia, and Canada, where it is an extremely rare surname. More prevalently, Jaiak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaiak | Spain, Georgia, Malaysia, Thailand, Canada |
Cesar, Lleida, and Angsoopanich