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