Cognomen Puay (Puay 
) , globally, is quite a rare surname. The surname Puay is characteristic of South-eastern Asia, particularly Singapore, where it is quite a rare surname, Malaysia, and Philippines, where it is a rare surname. Not in comparison with a country's population, it is commonest in South-eastern Asia, particularly Malaysia, Indonesia, and Philippines. Very seldom, Puay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Puay | Philippines, Thailand, Singapore, Indonesia, Malaysia |