Family name เซ่งย่อง (Sengyong 
, เซ่งย่อง) , globally, is a rare last name. The cognomen เซ่งย่อง is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, เซ่งย่อง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sengyong | Laos, South Korea, Malaysia, Thailand, India |
|
ญาดา เซ่งย่อง Thai association football player, TH (b. 1993) |
|