Cognomen เขื่อนเพชร (เขื่อนเพชร, Damdaeng 
, Khueanpheoch ) , across the world, is a rare surname. The family name เขื่อนเพชร is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Damdaeng | United States, Thailand |
| Damchuen, Khueanpheoch | Thailand |
Damchaem, Damchuai, Damchuea, Damkhiao, Damkhlai, Damkhum, Damklaing, Damklueng, Damkoeng, Damkongpech, Damkrabee, Damkrabi, Damkradan, Damkrut, Damlaead, Damlaeiad, Dammaeng, Dammikhao, Damrongdaen, Damrongkeat, Damtaklong, Damvisai, Kheuanpet, Kheuanphet, Khueanphech, Khueanphetch, Kueanpet, Kueanphet, and Pankhumkao