Cognomen วังเพ็ชร (วังเพ็ชร 
) , all around the world, is a very rare last name. The family name วังเพ็ชร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, วังเพ็ชร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วังเพ็ชร | Thailand |