Surname เพชรจำเริญ (เพชรจำเริญ, Petjamroen 
, Petchamroen) , in all the world, is an extremely rare family name. The last name เพชรจำเริญ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Petjamroen | Thailand |