Surname เพชรเพ็ญ (เพชรเพ็ญ 
) , worldwide, is a very rare cognomen. The surname เพชรเพ็ญ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, เพชรเพ็ญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เพชรเพ็ญ | Thailand |