Surname พงศ์มงคลเพชร (พงศ์มงคลเพชร 
) , around the world, is an extremely rare last name. The cognomen พงศ์มงคลเพชร is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พงศ์มงคลเพชร | Thailand |