Cognomen พิศิษฐ์วานิช (พิศิษฐ์วานิช 
) , globally, is an extremely rare last name. The cognomen พิศิษฐ์วานิช is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พิศิษฐ์วานิช | Thailand |