Cognomen สอยทอง (สอยทอง 
) , throughout the world, is a very rare last name. The surname สอยทอง is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, สอยทอง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สอยทอง | Thailand |