Around the globe, ช่างเพชร (ช่างเพชร, Changphet 
, Changpetch 
) is an extremely rare unknown gender forename. Predominantly, ช่างเพชร is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Changphet | Thailand |
| Changpetch | United States, Thailand |