Cognomen พงค์รัตน์ (พงค์รัตน์ 
) , across the world, is a very rare surname. The family name พงค์รัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, พงค์รัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พงค์รัตน์ | Thailand |