Family name ศรีสว่างวงศ์ (ศรีสว่างวงศ์, Sritangvong 
, Srisawangvong 
) , worldwide, is a rare last name. The surname ศรีสว่างวงศ์ is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Srisawangwong, Sritangvong | Thailand |
| Srisawangvong | United States, Thailand |