Cognomen ประพัฒสร (ประพัฒสร 
) , around the world, is an extremely rare surname. The surname ประพัฒสร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, ประพัฒสร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ประพัฒสร | Thailand |