Cognomen พิรญาน์ (พิรญาน์ 
) , in the world, is an extremely rare surname. The surname พิรญาน์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Also, พิรญาน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พิรญาน์ | Thailand |