Cognomen ปรัศน์ (Prat 
, ปรัศน์ ) , all over the world, is a common last name. The surname ปรัศน์ is habitual in Monaco, where it is quite a common surname, France, and Spain, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in France, Spain, and Argentina. Very seldom, ปรัศน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prat | Thailand, France, Argentina, Spain, Indonesia |
| ปรัศน์ | Thailand |