Cognomen Pirakunwanich (Pirakunwanich 
) , worldwide, is a very rare family name. The surname Pirakunwanich is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pirakunwanich | Thailand |
Pochy, Pirunrat, and Passarapim