Worldwide, ประถมพงษ์ (ประถมพงษ์ 
) is a very rare principally male, but very seldom feminine first name. The forename ประถมพงษ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare predominantly boy's, but scarcely girly name. Also, ประถมพงษ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ประถมพงษ์ | Thailand |