Last name พิทยุทัยวรรณ (พิทยุทัยวรรณ 
) , throughout the world, is a very rare family name. The cognomen พิทยุทัยวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พิทยุทัยวรรณ | Thailand |