Surname สมวงศ (สมวงศ 
) , across the world, is an extremely rare family name. The surname สมวงศ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, สมวงศ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สมวงศ | Thailand |