Cognomen ไชยดวงแก้ว (ไชยดวงแก้ว, Chaidoungkaew 
) , around the globe, is an extremely rare last name. The family name ไชยดวงแก้ว is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chaidoungkaew | Thailand |