Surname เทียมดวงแก้ว (เทียมดวงแก้ว, Thiamdoungkaew 
) , across the world, is an extremely rare cognomen. The cognomen เทียมดวงแก้ว is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thiamdoungkaew | Thailand |