Cognomen ปฐมวงษ์ (ปฐมวงษ์ 
) , all over the world, is a very rare last name. The family name ปฐมวงษ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ปฐมวงษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ปฐมวงษ์ | Thailand |