Family name ดอกเพ็ชร (ดอกเพ็ชร 
) , all over the world, is an extremely rare cognomen. The family name ดอกเพ็ชร is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ดอกเพ็ชร | Thailand |