Cognomen อุดมแก้ว (อุดมแก้ว, Udomkaew 
) , worldwide, is a very rare surname. The last name อุดมแก้ว is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Udomkaew | Thailand |
Audomkaew, Oudomkaew, Udmangkaew, and Udomkeat