Surname กิจวิริยะกุล (กิจวิริยะกุล 
, Kijviriyakul , Kijwiriyakul ) , all around the world, is a rare last name. The last name กิจวิริยะกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kijwiriyakul, กิจวิริยะกุล, Kitwiriyakul, Kijviriyakul | Thailand |