Surname Parnchaya (Parnchaya 
) , around the globe, is an extremely rare family name. The cognomen Parnchaya is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Parnchaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Parnchaya | Malaysia, Thailand |