Family name Juay (Juay 
) , throughout the world, is a rare surname. The last name Juay is habitual in South-eastern Asia, particularly Singapore, where it is quite a rare surname, Malaysia, where it is a rare surname, and Philippines. Likewise, Juay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Juay | Singapore, Philippines, Myanmar, Malaysia, China |