Family name วงศ์แสงทอง (วงศ์แสงทอง 
, Vongsaengthong , Vongsengthong 
) , all around the world, is quite a rare last name. The cognomen วงศ์แสงทอง is characteristic of South-eastern Asia, particularly Laos, where it is quite a common surname, and Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| วงศ์แสงทอง, Vongsaengthong | Thailand |
| Vongsengthong | Laos, United States, Thailand |