Surname Piriyakakool (Piriyakakool 
) , in all the world, is a very rare family name. The family name Piriyakakool is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Piriyakakool | Thailand |
Somsak, Aurawan, Apiphon, and Chonnakarn