Family name พงศ์เวช (พงศ์เวช 
) , all over the world, is a very rare cognomen. The last name พงศ์เวช is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, พงศ์เวช is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พงศ์เวช | Thailand |