Cognomen Seng Wong (Seng Wong 
, เส็งวงษ์ 
) , all over the world, is a very rare last name. The family name Seng Wong is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Likewise, Seng Wong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seng Wong | Malaysia |
| เส็งวงษ์ | Thailand |