Cognomen หย็อง (Yong 
, หย็อง 
) , globally, is a widespread surname. The surname หย็อง is habitual in South-eastern Asia, particularly Malaysia, where it is a widespread surname, Brunei, where it is a common surname, and Singapore (explore the name in all countries). Measured by absolute frequency, the name is most common in Malaysia, China, and Singapore. Also, หย็อง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yong | Singapore, South Korea, Indonesia, Malaysia, China |
| หย็อง | Thailand |