Cognomen พิทักษ์กิจนุกูร (พิทักษ์กิจนุกูร 
) , in all the world, is a very rare last name. The family name พิทักษ์กิจนุกูร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พิทักษ์กิจนุกูร | Thailand |