Family name วงศ์กิจรัตนชัย (วงศ์กิจรัตนชัย 
) , throughout the world, is a very rare cognomen. The last name วงศ์กิจรัตนชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| วงศ์กิจรัตนชัย | Thailand |