Last name วงค์นพรัตน์ (วงค์นพรัตน์ 
) , throughout the world, is a very rare cognomen. The cognomen วงค์นพรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| วงค์นพรัตน์ | Thailand |