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