Cognomen พิชัยพิชญ์ (พิชัยพิชญ์ 
) , throughout the world, is an extremely rare last name. The last name พิชัยพิชญ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พิชัยพิชญ์ | Thailand |