Cognomen กิ่งแก้วเพชร (กิ่งแก้วเพชร, Kingkaeophet, Kingkaewpet 
) , worldwide, is a very rare last name. The family name กิ่งแก้วเพชร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kingkaewpet | Thailand |