Family name พงศ์กิจธนายุต (พงศ์กิจธนายุต 
) , around the globe, is an extremely rare last name. The surname พงศ์กิจธนายุต is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พงศ์กิจธนายุต | Thailand |