Cognomen พิชวัชร์จิรฐา (พิชวัชร์จิรฐา 
) , globally, is a very rare family name. The last name พิชวัชร์จิรฐา is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พิชวัชร์จิรฐา | Thailand |