Family name แก้วสองดวง (แก้วสองดวง, Keawsongduang 
) , around the world, is an extremely rare last name. The surname แก้วสองดวง is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Keawsongduang | Thailand |