Cognomen Piriyamanop (Piriyamanop 
) , in the world, is a very rare last name. The surname Piriyamanop is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Piriyamanop | Thailand |
Ankana, Aroonrung, Pornthip, and Ajcharaporn