Surname พิชัยยุทธิ์ (พิชัยยุทธิ์ 
) , in the entire world, is a very rare family name. The last name พิชัยยุทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, พิชัยยุทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พิชัยยุทธิ์ | Thailand |