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